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ENERGY ECONOMICS AND THE ECONOMICS OF CLIMATE CHANGE
I. Energy Markets and Pricing
1.1 Supply and Demand Dynamics
The study of supply and demand elasticity plays a very vital role explaining the price factors
together with the behaviour of the markets for energy, fluctuations, in the prices are influenced
by the relationship between the supply of the energy commodities like oil, natural gas, and
electricity and demand for commodities and by stating that, demand of energy is rather elastic
depended on factors such as ; economic development, technological innovation, seasonal
fluctuation and price elasticity of energy commodities (Borenstein, 2012). For example, in
growth the economic activity rises and the industries which require energy to perform their
activities also extends to consume energy. On the other hand, during recession, the energy
demand is usually low, they do not see the need to use more electricity as they did before. On the
supply side there are things such as the availability of energy resources, ability to extract and
produce the energy, stability in the geopolitical locations producing energy and the regulation
policies that are put in place. For instance, the improved technology of hydraulic fracturing made
the supply of shale gas massive, making a difference in the natural gas price. This is due to
fluctations in supply and demand which results in fluctations in the prices of energy resources.
For instance, war between countries, or some other catastrophes, may jeopardize the supply
chain and that consequently increases the costs. On the other hand, due to improved technology
or discovery of more resources, the quantity is increased hence resulting into a lower price level.
Besides, energy markets are known to be volatile; this is because they follow a cyclic pattern
with proportionate prices that call for more production and investment until oversupply causes
prices to drop (Arango & Larsen, 2011). Such kind of relations are making it easier for
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policymakers and businesses in order to formulate good policies that would help shape
investment and consumption of energy in the society as the price elasticity of demand for energy
that significantly defines market relationships is another factor. Again, demand for energy
usually has short-term elasticity; that is, consumers and companies do not substantially cut down
on their energy usage due to changes in price levels. But in the long run the demand becomes
more sensitive to the price because of the shifting of technologies to more energy efficient
appliances and sources of energy such as solar energy among others by the consumers
(Gillingham & Palmer, 2014).
1.2 Resource Extraction and Depletion
One of the most important components of the energy economics is the issues related to the
extraction and consumption of the resources, the non-renewable resources being the most
common and famous ones where this kind of consumption is utilized. Exploitation of such
resources is characterized by familiar dynamics captured by Hotelling’s progress, which asserts
that marginal cost of the resource net of extraction costs, should rise at the rate of interest
(Hotelling, 1931). The principle means the basic cost that consumers and producers experience
since they exhaust a resource, whereby timing has to put into consideration future supply, costs,
and sales revenue. Once the resources are rare, extraction is not easy and it will be costly and
therefore the price of the whole commodity will be high as per the market demand. This concept
also gives consideration to assertion that resource management has to be made sustainable while
innovation in technology for extracting such resources has to be encouraged. Technological
innovations like EOR and hydraulic fracturing are key drivers that affect Resource availability as
they have changed the estimator of reserve by opening up new frontiers for hydrocarbon
resources (Dell et al. , 2014). These innovations have helped keep specific sources from being
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used up at shorter times while they also present environmental and regulatory issues. For
instance, the environmental effects associated with the application of hydraulic fracturing, such
as water pollution and earth quake like occurrences still provoke general concern and formal
control measures. Also the impact of renewed exhaustion of energy resources is severe on energy
security and economic stability. While first-mover advantages bolster localized access to
resources, using up easily accessible resources can lead to crucial reliance on imports, which is
sensitive to geopolitical fluctuations. This dependency can have severe economic implications
for any nation as evidenced by the oil crises of the 1970 USA where nations with an
overdependence on imported oil faced the repercussions of such an approach (Nordhaus,
2017). There is a need to make a shift in energy resources base and to explore new opportunities
of renewable energy resources usage as the basic ways of the risks connected with prospect
resource depletion. The finding of a low-carbon economy requires a rethink of resource-voicing
practices. The direct environmental effect of burning fossil fuels is the emission of greenhouse
gases which cause climate change and this has led to debates that the world move from fossil
fuel generated power to clean power.
1.3 Regulation and Policy Interventions
Market and policy actions are vital to influencing energy markets and addressing issues of
market inefficiency or failure and in order to overcome the inefficiencies and negative effects on
the environment and determine the optimal strategies of energy use, governments utilize various
mechanisms of regulation. Some of these policy includes subsidies for renewable energy, taxes
on carbon emissions, and setting of efficiency standards for appliances and vehicles among
others (Jacobsen, 2013). Policies of such play a powerful role in determining cost of the various
forms of energy as well as the availability of the same in the market and therefore have a strong
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bearing on the market share. One of the key justifications is that the externalities exist, and they
are in the form of social costs: energy consumption leads to air pollution and greenhouse
emission, and these costs are not accounted for in the price mechanism. Carbon pricing
mechanisms that include Carbon Taxes and Cap and Trade systems seek to include these external
damages within the costs structure by putting a price on carbon emissions (Metcalf and Stock,
2020). It promotes the usage of cleaner technologies by both the business and consumer, thereby
reducing the amount of carbon emissions. Financials handouts for renewable energy and other
promotions are also standard policy intervention measures to promote the use of clean energy.
These measures facilitate the removal of entry barriers acting against the deployment of
renewable energy technologies on the same or even lower cost platform that conventional fossil
fuel technologies (Borenstein, 2012). For example, feed-in tariffs and tax credits that have helped
support solar and wind energy systems in many countries. However, these subsidies must be well
taken with special attention to avoid disturbing the markets and also those which are over
privileged to specific industries . Other intervention areas also pertain to increasing energy
efficiency Stability in the energy sector has been enhanced through policies on energy efficiency.
Energy consumption and emissions can be greatly cut by adopting construction standards,
technological or fleet standards for production of appliances, and vehicles. For instance, the fuel
efficiency standards set within the automotive industry have called for more efficient combustion
technologies or cleaner fuels in auto engines, thereby reducing oil use and pollution (Jacobsen,
2013). Likewise, it has been clearly seen that efficiency standards prescribed for electrical
appliances have led to reduced electricity demand, therefore not requiring new electrical
capacity.
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II. Externalities and Environmental Impacts
2.1 Air Pollution and Health
Environmental pollution and specifically through the release of gaseous pollutants such as
carbon emissions, is a major externality of energy production and use and has a major impact on
human health. SO2 emissions result from burning coal in electricity generation and industrial
boilers while NOx is emitted from transport and burning of fossil fuels in power plants and other
industries while PM and VOCs are also byproducts of burning fossil fuels. Such pollutants cause
health effects such respiratory and cardiovascular diseases that translate to higher morbidity and
mortality (Cropper et al. , 2014). For instance, the fine particulate matter (PM 2. 5) can enter the
respiratory system and even the blood stream, which escalates diseases like asthma, bronchitis
and heart diseases. These three studies all point towards one direction that there are high
economical costs that come with air pollution and its impacts on human health. These costs
include monetary costs like healthcare costs, costs of a worker being unable to work due to an
illness, and costs of the loss of quality of life as a result of the sickness. Various research have
further approximated that the recurrent effects of air pollution were costing the entire world, at
least a few billion dollars in terms of healthcare costs and reduced economic productivity (Dell et
al. , 2014). Besides, the inhabitants of densely populated areas, pregnant women, and children
grey and Precarious populations are other highly at risk of developing adverse health risks
aggravated by social inequality coming out of air pollution exposure. In light of this, it is
important to acknowledge that reduction and control measures set concerning air pollution
regulation have helped in minimizing these health impacts. Measures i.e setting of emission
control norms for motor vehicles and factories, use of clean fuels, and the provision of air
pollution monitoring equipment have helped in the enhancement of air quality norms in many
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parts of the world. For instance, through the enactment of the Clean Air Act in the United States
high levels of emission of major pollutants have been cut by a great deal which has enhanced the
health of the public (Burke et al. , 2015). However, as it is pointed out there are still many
barriers to cope up with air pollution in the international level. Some growth conditions include:
increasing urbanization and industrialization in the developing countries that have in turn
increased pollution levels and insufficient legal requirements and compliance.
2.2 Greenhouse Gas Emissions Impact
Climate change issues are mainly influenced by the greenhouse gas (GHG) emissions
particularly through the utilization of fossil fuels, which have serious impacts on the environment
ad socio-economic wellbeing. The higher levels of carbon dioxide (CO2), methane (CH4), and
nitrous oxide (N2O) in the atmosphere increase the greenhouse effect, resulting in world
warming and climatic shifts (Anthoff & Tol, 2013). These changes consequently affects the
environmental ecosystems weather,sea level and humanity in general. The most alarming
consequence of GHG is their impact on the elevation in global temperatures clearly illustrated in
the effects of global warming. This leads to longer and more frequent heat waves, changes in
precipitation patterns, or more intense and frequent natural disasters such as hurricanes and
intense flooding or drought in the end. Such alterations can be detrimental to the industry, water
supply, and structures; it may lead to food and water crises, migration, and business disruptions
(Burke; et al. , 2015). They also result in ocean acidification and loss of biodiversity in the
ecosystem and therefore needs to be reduced. Higher levels of CO2 dissolve in water and lower
the pH of the oceans this has a very negative impacts on the oceanic biosphere with particular
regard to complex organisms with regard to the calcium carbonate structures such as corals and
shellfish. The loss of all the species is an upset of the biological organization and its services
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critical to human values and business ventures (Pindyck, 2013). Hence, tools such as carbon
taxes and emission trading operate as carbon taxing instruments by incorporating the societal
cost of carbon in its price. Most of these policies offer monetary signals that influence
businesses, and people to reduce emissions and expand on low-emission technologies (Metcalf
and Stock, 2020). Encouraging the use of renewable energy, increasing energy efficiency
measures, as well as acknowledged and sustainable management of land resources are also the
part of a comprehensive solution to reduce GHG emissions. And since the challenges of climate
change affect the entire world, there is a need to foster international partnerships to address them.
Accord such as the Paris Agreement, mainly focuses on adjusting emission reduction targets,
limiting global warming and improving the adaptive capacities thus has provisions and also a
section meant for offering financial and technological resources mainly for the developing
nation.
2.3 Valuation and Costing Approaches
This is why the assessment of the externalities of energy production and consumption is
important and should be done properly in order to make the right policies and investment
decisions. Environmental impacts such as pollution and emissions of CO2 are costs that are led
outside the market prices resulting in market imperfection. It is essential to integrate these
externalities’ reasonable values while formulating corrective policies to address their effects
(Kotchen, 2018). This can be done through the use of damage functions, which contains the
monetized cost of pollution by ascertaining the environmental and damages to health in terms of
exposure levels, population susceptibility, and worth of health outcomes. The social cost of
carbon (SCC) is another method that calculates the amount of economic damage per unit of CO2
emissions with implications for agriculture, human health and the cost of damaged properties due
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to the enhanced impact of floods (Nordhaus, 2017). The SCC offers a dollar figure to the social
costs of emissions helpful to carbon pricing policies and climate legislation, such tool is the costs
and benefits analysis, often abbreviated as CBA that examines a policy’s total expected costs and
contrast them against total benefits in order to quantify net economic effects. For instance, higher
degrees of air quality standards efficiently demand industry compliance cost but the benefit
derived from the reduced pollution is enormous when it comes to healthier living (Cropper et al. ,
2014). CBA weighs these costs and benefits, helping in coming up with a right environmental
policy measure in the most cost-efficient manner. Historically IAMs have sought to unify
economic, environmental, and technological approaches to examining the deep-seated and long-
term outcomes of climate change and proposed solutions. IAMs determine future emissions
based on scientific findings and foresee climate change outcomes as well as cost implications of
human actions (Anthoff & Tol, 2013). These models are very important, especially for the global
climate change discussions and establishing necessary emission rate cutting goals and although
there can be numerous complications when it comes to valuing costs and benefits with such
assessments including the problem of unpredictable future damage estimations and the problems
of valuing non-market goods, if sound methodologies are employed and the underlying
assumptions are clearly stated and tested with sensitivity analyses, the results are credible.
III. Energy Efficiency and Conservation
3.1 Technological Advancements and Innovation
Technology and innovation are the pillars that play a significant role in improving efficiency and
utilization of energy as positive reforms in energy conservation technologies like materials,
grids, and econ aperture decorations, flyers, cal appliances have ensured a drastic LOW energy
use in diverse sub sectors. For example, technology advancement, especially the invention of
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LEDs lights have enhanced energy productivity compared to the incandescent bulbs decreasing
electricity usage and subsequently, the emission of CO2 (Allcott & Greenstone, 2012). Likewise,
improvement in building technologies, for instance, superior insulating systems and intelligent
programmable thermostats have enhanced the needful efficiency of homes and business
establishments thus enhancing the useful energy conservation. Similarly technological
development has enhanced the transportation sector in these countries as well. While electric
vehicles or EVs are still in their developmental stage and have not been widely embraced, there
is optimism that they hold a promise to the world in that they could significantly lower the
consumption as well as emissions of fossil fuels. Advances electrode and battery technology
have improved the range of and efficiency of EVs and these are now it is possible to design
vehicles that are even more efficient than traditional internal combustion engine vehicles
(Jacobsen, 2013). In addition, development of sustainable forms of public transport such as
electric buses for mass transit and high-speed rail Balti Rail to replace private cars as the primary
source of transport all offer permutations to energy saving solutions. Technology advancement is
also necessary in the industrial need since there might be certain processes that consume a lot of
energy. Organizations have been able to minimize the energy consumption via the installation of,
for instance, enhanced process controls, waste heat recovery facilities, and efficient use of
energy-optimizing gadgets and tools in the manufacturing processes (Linn, 2008). The increasing
use of renewable energy like solar or wind energy in industrial practices may help to optimize
the energy gauge and minimize the use of fossil fuels whereas innovation and technology are
crucial in growth and development, and new knowledge is achieved through research and
development. There is a lot of money spent on research and development by governments and
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private organizations because of the need to come up with new technologies as well as enhanced
current technologies.
3.2 Economic Incentives and Policies
Economic factors such as incentives and policies play a vital role to foster energy conservation
and efficiency as these policies are adopted to push the governments into implementing policies
that promotes use of energy efficient technologies and practices in a very broader way. One of
the most popular measures is subsidies and tax credits for efficient appliances, cars, and building
retrofits (see Gillingham and Palmer 2014 work). For instance, the tax credit for putting in
energy-efficient windows, insulation and heating and cooling systems decreases up front costs
making them credit-worthy for consumer use. Establishment of energy efficiency standards and
regulations that ensure efficient use of energy resources with measurable results is also another.
Energy efficient regulations includes; Energy-efficient appliances, Vehicles and buildings
regulations that limit the sale of inefficient products. These standards exert pressure on the
manufacturers to come up with better products that would have improved throughput a factor
that ensures a tremendous amount of energy is saved over time. Such regulations as the
Corporate Average Fuel Economy (CAFE) standards exist in the United States and have had a
positive effect on the level of fuel efficiency in vehicles and thus less oil intake and Green House
effect (Jacobsen, 2013). Another policy instrument that is applied to increase energy efficiency
in buildings and industrial parks is energy performance contracting (EPC). Energy service
company (ESCO) speaks with a client to analyze the need for energy-efficient investments;
carries out a feasibility study, finances the project; cost savings are then used to repay
investment. This means that most of the building owners will not incur any extra expense during
the enhancement as it ensures that they get a return on investment on their upgrades, especially
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on energy efficiency (Fowlie et al. , 2018). Other mechanisms that provide incentives for energy
efficiency are also based on market principles and include, for instance, cap-and-trade systems
and carbon pricing. These policies involve the introduction of a cost on the usage of carbon
emissions, which equally give the appropriate nudge to corporate and the public to use less
energy and invest in cleaner forms of energy and for instance, the European Union Emissions
Trading System (EU ETS) as one of the representative examples of market instruments,
demonstrates the key role of market tools in enhancing energy efficiency and reducing emissions
in various industries (Calel & Dechezlepretre 2016).
3.3 Rebound Effect and Limitations
This comes with the realization that energy efficiency is very important for lowering energy use
as well as the negative impact on the environment, but there is the rebound effect to consider as
well. The rebound effect condition arises when an increase in efficiency cuts the costs of energy
in the process of utilizing them resulting in a boost in energy use partly to the intended increase.
This based on the classification of the rebound effect as direct rebound effect, indirect rebound
effect, and economy wide rebound effect Gillingham and Palmer (2014). The direct rebound
effect is the process whereby the actual energy use of a cheaper energy-efficient service is
utilized is increased owing to its cheap cost to utilize. For instance, if a household replaces
incandescent bulbs with LED, the saved electricity will compel the household to use the new
light bulbs more than the inefficient bulbs they replaced in an effort to realize the saved amount
of money (Allcott & Greenstone, 2012). Likewise, advancements in transport efficiency in terms
of fuel consumption can result in more extensive driving because the cost per distance is
reduced, thereby partly offsetting the articulated expectations on fuel utilization and emissions.
Incremental rebound effects are a direct outcome of the Real Sun Theffect as the saved energy
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from increased efficiency is used for purchasing end-products that will demand energy to be used
on them. For example, the money that would have been spent on energy to power a more
efficient AC or heater may be used to buy other power hungry items like fridges, Tv’s etc. Hence
for every efficient device, another inefficient one may be bought (Rapson, 2014). Secondary
final-energy consumption rebounds originate from economy-wide responses to enhanced
efficiency. Higher efficiency can mean that there are lower costs for producing the goods, they
produce more goods and economic development, all of which raise energy consumption in
general. For instance a rise in industrial efficiency has been shown to decrease prices of goods,
which leads to higher consumption, and consequently, increased production of energy across the
economy (Gillingham & Palmer, 2014). Energy efficiency is still one of the key aspects to cut on
energy consumption and its negative influence to the surroundings.
IV. Transition to Renewable Energy
4.1 Economics of Renewable Sources
The overall business dynamics of renewables have changed significantly, through enhanced
technology, efficiency in costs, and positive policies, these use of renewable energy resources is
also relatively beneficial over the fossil fuels since they give minimal emissions of green house
gases, have low airborne pollution, and are renewable resources as opposed to the non-renewable
fossil fuels. The cost of generating power from renewable sources has come down to more
competitive levels compared to the cost of electricity generation from a conventional fossil fuel
source (Borenstein, 2012). Take for instance the solar photovoltaic (PV) systems as an example
of this economic transition. The efficiency of the solar panels has improved due to the factors
such as cheaper cost and the overall manufacturing that has increased. Thus, a report from the
International Renewable Energy Agency (IRENA) points to a decline in costs of utility-scale
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solar PV by about 82% over the period 2010 to 2019(IRENA, 2020). This decline has made the
cost of solar energy some of the lowest in the world especially for the regions with high solar
intensity. Wind energy also brought great changes with a notorious cut in cost of generation. The
current developments in the areas of turbine, for example bigger blade size, higher tower height,
have enhanced the performance and generation of wind power projects. The technologies
employed in offshore wind and other renewable power projects have also improved over time,
and the experience effect coupled with larger project sizes has led to steep cost reductions. With
these advances, wind power has become more enticing and has the tendency to offer a larger
chunk of the energy supply around the world (Borenstein, 2012). However, despite the socio-
economic benefits of using renewable energy, economy is shaped by aspects like locations of the
resource, and costs of connecting the resource to the existing power grid. Solar and wind are
variable energy sources, thus extra expenses required on energy storage and efficient grid
systems needed for consistent electricity production. Furthermore, initial investment cost for
renewable energy sources is relatively high, but this cost in the form of investment and capital
outlay is over stability and lower operation & maintenance costs (Gillingham & Palmer, 2014).
Therefore, the economic advantages of the renewable will not only be measured by the money
that will be saved. Renewable energy generates employment opportunities, strengthens energy
security, and helps cut the import bill of energy.
4.2 Barriers and Challenges Faced
While the deployment of renewable energy has several benefits, it encounters a number of
challenges and obstacles that require standing up also. One is the issue of discreteness since
some of the renewable technologies generate power erratically and depend on meteorological
factors like wind and sunshine for power generation. This intermittency thus creates a need for a
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dependable energy storage system and methods for managing the grid power supply (Gillingham
& Palmer, 2014). Energy storage technologies include batteries and pumped hydro storage,
thermal and other technologies are equally important in matching supply and demand. However,
costs and current storage technology physical characteristics are the big challenges they
present. More studies are required in order to fine-tune these technologies and expand their
applicability while making them cheaper (Borenstein, 2012).The establishment of new renewable
energy sources connected to the existing power grids is also a significant driver for increased
investments in grid management systems and new generation transmission systems that can
accommodate variable power flows. The last one is the regulatory and policy frameworks, which
are sometimes slow-moving to the fast emergence of the renewable power sources. It has been
established that energy policies and regulation in many regions are still crafted with base support
for fossil fuel industries thus formulating an unfair playing ground for decentralize renewable
energies. To address these barriers, approaches including simplification of permit requirements
and processes, improving and updating of outdated regulations as well as putting innovative and
friendly policies in place are required (Calel & Dechezlepretre, 2016). Financial hurdles that
include the high cost of investments in renewable energy as compared to the high cost of fossil
fuel is also another challenge. There is some truth in this since most renewable energy
investments, including the generation of wind farms and power stations, require hefty amounts of
capital at the start. While long term operating costs are cheaper, project funding can be
problematic because they offer weaker cash flows compared to power projects or those with
other established user industries such as mining.
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4.3 Policy Support Mechanisms Needed
Several policy support mechanisms are relevant for the utilisation of renewable energy with a
focus on support mechanisms that would enable the transition of renewable energy sources.
These ones involve; monetise instruments such as financial incentives, carrying measures such as
regulatory frameworks that support REn investment, and economic instruments or drivers such
as market signals that enable the integration of REn. The feed in tariff (FIT) is one of the most
applied policy tool to unlock renewable power projects by offering the renewable electricity
producers a specific price for electricity they produce and the tariff is paid for the electricity fed
into the grid for the long term financial security (Calel and Dechezlepretre, 2016). The remaining
four mechanisms are – Renewable Portfolio Standard (RPS) or Renewable Energy Mandate that
directs the utilities to procure a fixed percentage of electricity from renewable sources. RPS
policies chart a continuous market that can support the use of renewable energy hence
encouraging the utilities to invest in the provision of renewable energy facilities. These standards
can be complemented by tradable renewable energy certificates (RECs) which provide good
policy practice, low-cost, and flexibility in achieving renewable targets (Borenstein, 2012).
Government supports are vital in enabling cost-adjustment mechanisms such as tax credits and
subsidies to support the shift to renewable power as ITCs and PTCs are the financial incentives
that offset the costs of investment for renewable projects and decrease the cost of producing
power from renewable resources, making them profitable ventures and Furthermore, subsidies in
the form of grants and concessional credit guarantee renewable energy and also target areas that
do not have access to private institutional finance (Gillingham and Palmer, 2014). Carbon
pricing instruments including taxes and cap-and-trade instruments perform a pivotal function in
making the trading of renewable energy on a similar ground as the conventional fossil resources.
These policies regulate the environmental costs by assigning a price on carbon emissions and,
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therefore, promote the production of renewable energy and the improvement of greenhouse gas
emissions. The European Union Emissions Trading System (EU ETS) has incentivized the
uptake of renewable energy and decreased the emission of carbon within the member countries
(Calel and Dechezlepretre, 2016). There is still immense potential for the expansion of
renewable energy technologies with the said R&D efforts being helped along by the government.
V. Climate Change Mitigation Strategies
5.1 Carbon Pricing and Taxation
Carbon pricing is an effective policy measure for addressing the problem of climate change since
it regulates emissions by accounting for the social costs as cap and trade is an economic tool that
puts a cost of carbon emissions, which in turn makes companies and citizens to minimize their
polluting impacts. Two deploys of carbon pricing are carbon taxes and the use of cap and trade
systems. Carbon taxes work directly on the basis of price of tonnes of carbon released into the
atmosphere and hence sends out direct cost signals to the emitters. For example, British
Columbia carbon tax was instituted in 2008, and it has ensured that the emissions of greenhouse
gases be reduced without hindering economic growth (Metcalf & Stock, 2020). A carbon tax
incentivises emitters to adopt less polluting technologies and thereby reduce emissions since high
levels of price on carbon will raise the cost of any activity that has a high carbon content. Carbon
taxes make fossil fuels expensive to use and hence encourage efficiency in the usage of energy
and exploration of clean energy sources. Furthermore, since carbon taxes raise revenue, the
money can be invested in climate change adaptation measures and projects or the gains can be
rebated to help protect the base of the tax’s potential to be regressive (Golosov et al . , 2014).
When it comes to carbon taxes, the extent of success that comes with such a system depends with
the tax rate as well as coverage. An optimally designed carbon tax has a bearing on the
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magnitude it can achieve regarding emissions reductions alongside economics and social factors.
Ideally speaking, it should apply to nearly all of the principal sectors of heat generation which
are transport, industry and heating of houses. There is also the benefit of certainty it imparts for
the fiscal eternity and longevity, and hence signals correctly to investors, to possibly influence
low-carbon technology investments. However, there remain certain limitations regarding the
feasibility of carbon taxes in distinct regions around the world because of the cross-sectional
perceptions regarding fairness and economic effects. Again, the trade-off between carbon taxes
and socially beneficial politics may only be achieved if the public is informed about the
advantages of carbon taxes, which include better air quality and improved public health
(Kotchen, 2018). Therefore, carbon pricing, especially via the carbon taxation instrument, is an
effective policy for achieving the goal of reducing greenhouse gas emissions.
5.2 Emissions Trading and Offsets
Emissions trading systems or cap-and-trade programs is another intervention or strategy in
combating climatic change. These systems control the quantity of total amount of greenhouse
gases to be emitted and firms are allowed to trade emission credits or permits within such limit.
The worlds largest and most mature ETS is the European Union Emissions Trading System (EU
ETS) that accounts for approximately 40% of the total EU emission (Calel & Dechezlepretre,
2016). An ETS functions this way: first, a specified number of allowances is provided to emitters
either through a fixed allocation or bids. This really means that those firms that can reduce
emissions cheaper can sell their extra emission credits to companies that would cost them more
to reduce their emissions, hence establishing a market for emission reductions. This way of
tackling emissions makes the process efficient and guarantees that the pollution is minimized
while the cost is minimized as well. Finally, it established a prescriptive system where the cap is
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gradually lowered so that the total number of allowances and therefore emissions is decreased in
the long-term. Companies get to decide on how they are going to shed the maximum emissions
possible at least cost, be it through investing in permitted technological inquiries, streamlining
their procedures, or obtaining allowances. This flexibility is another advantage of implementing
of economic-based initiatives as compliance costs can much lower than in case of prescriptive
regulations (Gillingham & Palmer, 2014). Almost all ETS programs in ETS include offsets,
which enable emitters fund projects that will help slash emissions in sectors that are not included
in the cap, including afforestation or implementing energy within a different geographic
location. Offsets as such are relatively cheap to carry out to help with emission reductions and
can also have positive effects in other spheres such as the possibility of biodiversity and
community benefits. Nonetheless, the effectiveness of offsets is hinged on the veracity and
enforcement to guarantees the effectiveness, extra, and lasting efficiency of the cut–emission
(Pindyck, 2013). However, the execution of ETS and offsets present some potential problems
like how to design a sound system of monitoring and enforcing standards, avoiding growth of
market cheating, and price insurance.
5.3 Regulatory Approaches and Standards
Legal initiatives, namely regulations and standards must be acknowledged as influential to
climate change policies as they prescribe enforceable emission limitations and encourage the use
of innovations in low-carbon technologies. Such approaches include performance standards,
technology mandates and industry specific rules and regulations which could either cap the
emissions of greenhouse gases or require the use of technologies that release minimal emissions.
Whereas performance standards prescribe precise quantities of emissions from different stations
like power plants, automobiles as well as factories. For instance, the extant US Clean Power
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Plan, which remains still to be adopted, sought to lower carbon emissions from the power sector
through a state-based CO2 target range (Jacobsen, 2013). In terms of compliance, minimum and
maximum performance standards are easily defined because they set acceptable levels of legal
noncompliance; this type of regulation may yield high emission reductions when backed by
vigorous legal measures. Regulatory instruments also include technology mandates which
demand the use of particular technologies or measures that curtail emissions. This includes
renewable portfolio standards (RPS), which prescribe a certain level of electricity to generated
from renewable sources, or renewable energy standards (RES), which require a specific
percentage of electricity generated to come from renewables. These incentive standards have
been successful in the deployment of RESs due to their influence to other regions like California
where the integration of aggressive has catalyzed solar and wind power plants (Rausch &
Mowers, 2014). Standards refer to specified levels to emissions of pollutants set for a given area
or part of space like transport or industrial emissions. Emission standards such as fuel efficiency
standards force automobile manufactures such as the Corporate Average Fuel Economy (CAFE)
standards in the U. S. rivet up the overall effectiveness of automobile fleets. Such regulations
help to decrease the amount of fuel used and also the resulting emissions of greenhouse gases
being released into the atmosphere; the benefits towards the overall goals of climate change
mitigation cannot be underestimated (Gillingham & Palmer, 2014).
VI. Climate Change Adaptation Economics
6.1 Sectoral Impacts and Vulnerabilities
Since the impacts of climate change are sector-specific, it is appropriate that the necessary
adaptive approaches and measures be enacted based on each sector’s susceptibility. The effect of
global climate change is evidenced by key sectors and these include agriculture, water, coastal
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zones and effects on human health. For instance the perceived vulnerability rate is highest in the
transport sector and the perceived adaptation measure is lowest in services sector which means
that there should be a differentiated approach to climatic change adaptation. In the agriculture
sector, the impacts of climate are most pronounced because climate has a powerful influence
over the activities carried out in this sector. Influence of climate change, seasons, rainfall and
disasters impact greatly on farming especially when it comes to growing crops and rearing
animals. Burke, Hsiang and Miguel (2015) further explain that since high temperatures have
been shown to cut crop yields and thus decrease food production, the populations end up having
to pay more for food. In agriculture risk management, ways of weathering stages of drought
include improvement of crop varieties that are less susceptible to dry conditions as well as
improvement of farming techniques among others in order to minimize vulnerability of
agriculture to the vice. Access to water is not only influenced by population density but is also
affected by climate change. With these changes being experienced in the regions and cities, this
results in the scarcity of fresh water in those regions especially those that are arid and semi-arid,
besides the deteriorating quality of water. This influences suitability of the water to be used for
drinking, for watering crops/ livestock and for industrial use. Possible actions that help to
minimize the afore mentioned impacts include building of the dams, treatment plants and
application of state of the art technologies of water use (Dell et al. , 2014). Irvine states that
coastal areas exposed to the sea are likely to experience serious danger such as, raise in sea level,
increased storm surges and higher water levels pose a danger to structures, ecosystems and living
spaces. Various measures towards adaptation entails construction of sea walls, mangroves
restoration, and banning construction on the problematic areas to enhance minimal danger on the
communities and losses. As what has been discussed, climate change impacts human health
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through oppressive heat and fatalities resulting there from, diffusion of diseases borne by insects
and breathing troubles caused by polluted air.
6.2 Adaptation Costs and Financing
Adaptation costs are also high, and it has been observed that the costs greatly depend on the
sector and the region it belongs to. Quantifying these costs is, however, not a straightforward
task that is subject to several assumptions of climate change, intricacy of adaptation measures,
and socio-economic considerations. Nonetheless, operational efforts to invest in adaptation are
possible and can offset future expenses as well as strive to eliminate climate change effects.
Specific adaptation expenses are transition- or capital-related costs like expenditures to install or
upgrade physical infrastructure, technologies or trainings for raising awareness and enhancing
human resource skills. For example, building seawalls to avoid seas flooding the coastal region
in case of a rise in the water level, may be very expensive to implement but will keep numbers of
people and property owners from incurring huge losses whenever there is an influx of water.
Likewise, useful development spending can protect farmers and food markets from being dealt a
blow by shifting climate patterns, as investments in more climate-proof agriculture (Interagency
Working Group on Social Cost of Greenhouse Gases, 2021). The major obstacle involves
coming up with funding for adaptation which is much harder considering the fact that the
countries that are most affected by this vice, that is; the third world countries have little or no
resource to put towards this course. For these countries; International Financial Mechanisms
including GCF and Adaptation fund are the main source of finance. These funds involve
resources from the industrialized countries as well as private capital market to support adaptation
initiatives that address risks and create capacity (Cropper et al. , 2014). Finance for adaptation
thus has to be sourced from development partners, government and private institutions. Fund
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may also be provided by budgets of governments for potential of investment or using incentives
for PPPs. This is because, by using innovative instruments like the climate bonds and resilience
bonds, private investors can also be attracted since this investment has financial returns tied to
climate resilience projects as proposed by Kotchen (2018). Insurance and risk-pooling
mechanisms that are commonly used organized and private insurance approaches that can play a
critical role of sharing the financial burden to finance adaptation. For instance, the index-based
insurance programs compensate farmers with respect to climatic trigger factors if the defined
thresholds are exceeded and this largely assists in reimbursement of lost crops due to climate
variations (Dell, Jones & Olken, 2014).
6.3 Cost-Benefit Analysis of Options
Since the main focus of this paper is to examine the ability of different adaptation measures to
provide specified benefits at an affordable cost, it is critical to conduct a CBA. CBA also enables
policy makers to rank adaptation infrastructure projects since it shows the cost of implementing
them against the possible loss reduction and the resulting system robustness. The first step in the
CBA is the assessment of adaptation options decision and their costs. This includes capital
requirement during the initial stages as well as maintenance and other related expenses. To
illustrate, the activities that are incorporated in the cost of establishing flood defenses include
construction expenses, future maintenance and possible reconstruction in light of emerging
climate conditions. They postulated that material costs and labour, when complemented by data
relating to technology, offer credible data on cost estimates. Adaptation costs and benefits are
evaluated based on the reduction and prevention of damages that can be derived from the
undertaking of adaptation measures and enhanced benefits in the presence of vulnerability.
Prevented impacts can entail avoiding the consequences of climatic conditions and extreme
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nonlinear events and averted health and agricultural risks, which in turn will disincline measure
from carrying out damaging economic effects. For instance, spending in early maturing crops,
where the problem is drought, is very rewarding since it avert crop loss, hence food insecurity
and has immense economic and social impacts (Burke, Hsiang, & Miguel 2015). CBA also
evaluates the synergies of adaptation co-benefits, which are benefits accruing from pursuing the
main Goals of adaptation. It may have positive side effects like social- economic b-investment
through job opportunities created by infrastructure development or social- ecological values
through the restoration of ecosystems. Integrating co-benefits offers a better perspective of the
worth of adaptation actions in relation to various dimensions of value (Calel & Dechezlepretre,
2016). The first step in case benefit analysis is discounting, which factors in the time-value of
money into the analyses performed. Reduced discount rates are generally appropriate for
analysing climate change schemes because of their long term timespans as well as impacts on
generations that are yet to be born (Cropper et al. , 2014). However, CBA also has its pitfalls
because the climate projections outcomes themselves are uncertain, it is challenging to place
value on some things that will be affected by climate change such as existence values and there
is a potential for bias when setting up the cost and benefit figures.
VII. International Climate Agreements
7.1 Tragedy of the Commons
The intergovernmental climate policies fail to address some of the basic collaboration principles
because of ‘the tragedy of the commons’. This one details how rational self interest results in a
given common good being exploited by everyone, yet confines everyone to detriment. This
analogy is quite pertinent to the global climate change issues as the atmosphere is a public
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resource where there is the danger of over-grazing through gases. As H. S. Hardin (1968) pointed
out, this is the tragedy of commons. Resources must be carefully managed for the benefit of all
people. In the case of climate change, a country might exercise its responsibility to mine
resources and release greenhouse gases for their economic gain, though it collapses the general
environmental system. This is an interesting question and has to do with achieving objectives of
international cooperation that would induce countries to act in a less environmentally damaging
way as it further meant that with no international governance herding mechanism in place the
countries will continue to engage in ‘spite free-riding’ whereby they benefited from reduced
emissions by other nations while they themselves did not make efforts towards the change (Dell,
Jones, & Olken, 2014). The essence of mitigation of emissions is to consider the tragedy of the
commons which can only be solved through massive cooperation at the international level and
enforceable commitments to reduce emissions. The phenomenon which was getting worse year
by year was curbed in 2015 by the Paris Agreement. Thus, it created a system in which nations
pledge to participate in the limitation of their emissions of greenhouse gases through
contributions known as NDCs. Although the spirit of flexibility promoted by the formulated
NDCs would theoretically increase the level of participation, it is important to consider the issue
of sufficient and enforceable commitments that arise due to the voluntary nature of the actions
taken. The current structures of governance on the international scale must be very capable of
guaranteeing that all nations play a worthy role in combating climate change. This involves
stating clear goals for emission reduction, ensuring the availability of assistance in order to
familiarize developing nations with the concept of sustainable development, Cooperation also
and coordination through the use of technology, contract, and financial means are critical in
mitigating the fundamental disadvantages of the tragedy of the commons (Nordhaus, 2017).
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7.2 Burden Sharing and Equity
Another principle of the international climate agreements is the principle of common but
differentiated responsibilities and duties, meaning that it is important for industrialized countries
to share the efforts evenly since they were emitting more greenhouse gases in the past. CBDR
thus recognises that developed countries whose emissions historically caused a greater degree of
climate change should bear a larger portion of the burden for preventing it. The UNFCCC
recognizes the concept in its principles of common but differentiated responsibilities, while the
Paris Agreement enshrine it in the preamble. This means that climate change impacts can
adversely affect developing countries in a bigger way as they lack both the financial might and
the technological innovation to counter this vice. That is why developing countries need to have
perspective that developed countries are to pay for the issues and give financial, technological
and building of the human capital support. This support is crucial for the efficiency of the
adaptation and mitigation measures of these developing nations (Kotchen, 2018). The GCF,
credit-based mechanism for funding mitigation and adaptation initiatives, provides the essential
financial frameworks for developing an equitable burden-sharing regime and therefore the GCF
is an institution that accumulates financial assets in developed countries in order to provide
support for climate measures – both mitigation and adaptive – in developing countries. Stability
in and adequate financial inflows that can be relied upon work towards the creation of trust
essential for cooperation at the global level (Cropper et al. , 2014). Indeed equity concerns also
arise when setting up specific emissions reductions targets. Thus, the CBDR principle is aimed to
mean that the developed countries with higher per capita emission should contribute more. It
actually seeks to strike a compromise between the governments’ desire to seek fresh investment
in poorer countries and international attempts to cap warming. Coalitions entailAWN discussions
in the context of equity, historical responsibilities concerning emissions, and current capacities
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(Dell, Jones, & Olken, 2014). The same is evident in the Paris Agreement wherein developing
countries are given some leeway on setting their targets and contributions through NDCs. This
flexibility considers their situations and the improper age at which they need developmental
enhancements. However, it poses some questions in making sure that emission reduction targets
are enough at the global level, as the sum total of NDCs should be enough to warm the world
well below 2 degrees Celsius above the preindustrial levels (Nordhaus, 2017).
7.3 Monitoring and Enforcement Mechanisms
Regular reporting and monitoring mechanisms are crucial for the success in compliance with the
adopted decisions because without these it is possible to have nice-sounding words from the side
of countries, but no real actions. The more recent and ambitious Paris Agreement also brought
changes in the decision making that was intended to make the agreement more transparent and to
increase trust and ambition at some later point (Dell, Jones, & Olken, 2014). The first is:
Oversight and verification is provided by a transparency framework agreed to under the Paris
accord. This framework involves countries submitting their figures on emissions of greenhouse
gases, clocks on their considerations on mitigations as well as their NDCs periodically. They are
subjected to international reports, in which case there is an additional chance to learn from other
countries and find out where one crosses the line or errs. Transparency leads to the promotion of
accountability or to place the onus on civil society and other stakeholders by releasing reports of
the countries’ efforts into the public domain (Interagency Working Group on Social Cost of
Greenhouse Gases, 2021). Another mechanism is the Global Stocktake which is carried out after
five years. Evaluation of the overall ambition in terms of reaching the long-term objectives of the
Paris Process, such as the temperature, and the up-scaling of adaptation. These findings are used
to form the next instalments of NDCs, on the basis pushing countries to build up on their plans
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and bringing attitude of work closer to the objectives set by the agreement, Kotchen, 2018). But
Essentially, compliance measures are a problem of international climate agreements. One
significant difference was that many international agreements did not contain enforcement
provisions that NATIONAL LAWS had.while the Paris Agreement is like a treaty that spells out
the rules for how countries should reduce their emissions, it uses four main types of incentives to
ensure adherence to rules like transparency, peer pressure, and cooperation. These mechanisms
are might help, but they can be insufficient to guarantee the compliance of every state with the
commitments made, especially if there are no legal consequences for failure to meet the agreed
goals, as Nordhaus notes (2017). Flexibilization measures of the climate agreements may be for
instance enforcement of climate commitments through cooperation fields like trade and finance.
International authorities may encourage countries to put in place levies against products imported
from non-compliant countries, in order to set up financial motivations for worldwide compliance.
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