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LeadingIssue_GlobalWarming.htm
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  1. Leading Issues
  2. Climate Change
  3. Global Warming

Global Warming

essential question

Are human activities causing global warming?

Since the late 19th century, researchers have found that the planet is steadily growing warmer, and temperatures are expected to rise another one to five degrees over the next fifty years. Some climatologists believe temperature changes will cause more frequent heat waves, droughts, wildfires and extreme weather events. They point to global warming as the cause of the polar ice caps melting. Many believe greenhouse gas emissions, including carbon dioxide released by the burning of fossil fuels, contribute to global warming, while others believe global warming is the result of a cyclical change in weather patterns and is not cause for alarm. In December 2009, world leaders came together at a climate conference in Copenhagen and signed an agreement to reduce greenhouse gas emissions.

Read More Cartoon: Global Warming

viewpoint 1

Human activities, such as greenhouse gas emissions, are causing global warming.

viewpoint 2

Global warming is the result of a cyclical change in the weather.

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  1. How Climate Change Could Cause More Mega-Storms Like...

    South China Morning Post (Online) Shen, Alice Sep 15, 2018 Lexile: 1540 SIRS® Issues Researcher
     "As Super Typhoon Mangkhut – potentially one of the strongest storms to hit Hong Kong – sweeps across east Asia and Hurricane Florence threatened the east coast of the United States, scientists have reiterated that rising temperatures could mean that such mega-storms will become more common in future....The impact of climate change on stronger typhoons or hurricanes could be traced back to how tropical cyclones formed over the ocean, Xie said." (South China Morning Post (Online)) This article discusses how warming sea temperatures are providing energy to increase extreme weather events.
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  2. Global Warming: Worrying Lessons from the Past

    UPI Space Daily Sep 17, 2018 Lexile: 1730 SIRS® Issues Researcher
     "Several phenomena are cited as possible causes for this global warming, from the intense volcanic activity in several areas of the globe at this period, to the destabilization of methane hydrates, these methane 'ice cubes' that only remain stable under certain pressure and temperature conditions, and which by degassing would have released their greenhouse gas. But although the event is known and its causes have been extensively explored, what about the consequences? 'The question is important because there is an obvious analogy with the current global warming. There are lessons to be learned from this event, even more so as the rise in temperatures we are currently witnessing seems to be much faster,' Sebastien Castelltort emphasizes." (UPI Space Daily) This article discusses how consequences of global warming may be greater than models predicted.
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  3. Can China Keep the Climate Cool While Its Air-Conditioning...

    South China Morning Post (Online) Miller, Alan Sep 16, 2018 Lexile: 1540 SIRS® Issues Researcher
     "Among the many impressive achievements of China's rapid economic growth has been providing electricity to nearly all of its population, which has improved living standards in many ways. But one unintended consequence of this success has been the extensive use of air conditioning, which poses a potential risk to the global environment in the form of greenhouse gas emissions and climate change. In 1990, few Chinese households had an air conditioner. Now the average is one per household. China has become the global leader in producing and using air conditioners, responsible for making 70 per cent of units worldwide and accounting for 35 per cent of global stock, compared with 23 per cent in the United States." (South China Morning Post (Online)) In this point-of-view article, the author discusses how China's climate agreements may be impacted by the growing usage of air conditioners.
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  4. Global Warming Threatens Europe's Public Health

    Inter Press Service Holt, Ed Sep 13, 2018 Lexile: 1700 SIRS® Issues Researcher
     "Climate change and health experts are warning of the growing threat to public health in Europe from global warming as rising temperatures help potentially lethal diseases spread easily across the continent....While disease experts are keen to stress that climate change is just one factor involved in the greater incidence of tropical diseases in Europe - increasing global travel, unplanned urbanisation and others factors are also involved – they do, however, agree that changes to temperature, rainfall and humidity make it easier for mosquitoes and other vectors to spread, survive and pass on infections." (Inter Press Service) This article explores the impact of global warming on public health across Europe.
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  5. Under the Sea, Marine Heat Waves can Wreak Havoc on Wildlife

    Washington Post Larson, Christina Aug 15, 2018 Lexile: 1540 SIRS® Issues Researcher
     "Between 1982 and 2016, the number of 'marine heat waves' roughly doubled, and likely will become more common and intense as the planet warms, a study released Wednesday found. Prolonged periods of extreme heat in the oceans can damage kelp forests and coral reefs, and harm fish and other marine life. 'This trend will only further accelerate with global warming,' said Thomas Frolicher, a climate scientist at the University of Bern in Switzerland, who led the research." (Washington Post) This article highlights how heat waves are impacting marine animals and their habitats.
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  6. What This Summer's Heat Waves Tell Us About America's Electric Grid

    Breaking Energy O'Connor, Tim Jul 27, 2018 Lexile: 1550 SIRS® Issues Researcher
     "With another triple-digit heat wave scorching the Southwest this week, fears of widespread outages are back. California's grid operator has urged homes and businesses to crank up thermostats and avoid running power-hungry appliances during evening peak hours – all in an effort to avoid disruptions like the ones we saw earlier this month. The dangerous and expensive outages that left 80,000 Los Angeles residents in the dark then may have been limited to Southern California, but they should sound alarms nationwide. The world is changing, affecting how our grid works." (Breaking Energy) This article explores how heat waves are impacting the electric utility industry in California.
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  7. Climate Change Denialists Never Had It So Good. So Why the Angst?

    InsideClimate News Newswire Lavelle, Marianne Aug 8, 2018 Lexile: 1530 SIRS® Issues Researcher
     "When climate science deniers and fossil fuel evangelists met Tuesday [Aug 7, 2018] in New Orleans for the Heartland Institute's second 'America First' conference on U.S. energy, they had every reason to celebrate the unprecedented influence they enjoy in the Trump administration. Instead, they found plenty of reasons for dread. With carbon tax proposals floating, climate lawsuits advancing, big corporations embracing the need for action and states and cities getting into the act, many of those gathered grappled with the reality that a fossil future was not secure—despite a largely pliant White House and Congress. Contrarian scientists, policy professionals and lawyers affiliated with conservative interests contemplated the spread of the climate action agenda as if it were a malignancy." (InsideClimate News Newswire) This article discusses how climate skeptics feel about the future of the fossil fuel industry.
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  8. Drying Lakes

    National Geographic Weiss, Kenneth R. p.g. 108-131 Mar 1, 2018 Lexile: 1450 SIRS® Issues Researcher
     "Round the globe, climate change is warming many lakes faster than it's warming the oceans and the air. This heat accelerates evaporation, conspiring with human mismanagement to intensify water shortages, pollution, and loss of habitat for birds and fish....Of all the challenges lakes face in a warming world, the starkest examples are in closed drainage basins where waters flow into lakes but don't exit into rivers or a sea. These terminal, or endorheic, lakes tend to be shallow, salty, and hypersensitive to disturbance. The vanishing act of the Aral Sea in Central Asia is a disastrous example of what can happen to such inland waters." (National Geographic) This article highlights how global warming and drought are threatening the habitats and cultures of lakes around the world.
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  9. Controversial Climate Fix Begs New Question: Is Geoengineering...

    Deseret News Chan, Rosalie Jul 16, 2018 Lexile: 1390 SIRS® Issues Researcher
     "By now it is abundantly clear that religious groups have taken a stand on the moral necessity of combating climate change. Pope Francis has spoken loudly and persistently on the social and ethical issues caused by climate change....Now, some organizations are urging religious groups to consider more controversial ways to avert climate catastrophe. One possible climate change solution in particular is getting more attention now: geoengineering. It’s a big name for a large-scale intervention in the Earth’s climate system to counteract the effects of climate change." (Deseret News) This discussion of geoengineering considers "the question of [geoengineering as] playing God, as humans are intentionally interfering with the climate system."
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  10. Making Something Out of Industrial Emissions

    Los Angeles Times Halper, Evan p.g. A.1 Sep 9, 2018 Lexile: 1470 SIRS® Issues Researcher
     "When Gaurav Sant thinks about how the planet might dodge catastrophic climate change, at the front of his mind are not solar panels or wind turbines or electric cars. It's cement. Sant spiritedly talks of how cement production is exhausting the Earth, accounting for an absurd share of the greenhouse gases that industry spews into the air. The director of a team of civil and environmental engineering innovators at UCLA, he poses an intriguing question: What if all those cement-factory emissions blowing into the atmosphere were instead bottled up and transformed into a useful product? More cement, in fact. But a kind that barely has a carbon footprint at all. 'We need transformative solutions' to global warming, Sant says. 'And this approach is fairly simple to implement.' What Sant is talking about is called carbon capture, and after years of being dismissed as an unrealistically costly sideshow, it is increasingly seen as essential to keeping global warming in check." (Los Angeles Times) This article highlights using carbon capturing techniques to transform emissions into useful products.
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  11. World's Largest Shipping Company Heads Into Arctic As Global...

    NPR Morning Edition Aug 23, 2018 Lexile: 1180 SIRS® Issues Researcher
     "The world's largest shipping company will soon be heading into unknown waters. In about a week, Maersk will sale its first container ship through the Northern Sea Route in the Arctic Circle. The Denmark-based shipping giant says it wants to explore whether the icy route is feasible in the future. Many analysts see it as a turning point for the shipping industry and the Arctic." (NPR Morning Edition) This article highlights how Maersk shipping company is sending the first container ship through the Arctic.
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  12. Climate Report Warns of Much Worse

    Graphic: More Forest Fires in California
         Los Angeles Times Barboza, Tony, Bettina Boxall, and Rosanna Xia p.g. A. 1 Aug 28, 2018 Lexile: 1530 SIRS® Issues Researcher
     "Heat waves will grow more severe and persistent, shortening the lives of thousands of Californians. Wildfires will burn more of the state's forests. The ocean will rise higher and faster, exposing California to billions in damage along the coast. These are some of the threats California will face from climate change in coming decades, according to a new statewide assessment released Monday by the California Natural Resources Agency. The projections come as Californians contend with destructive wildfires, brutal heat spells and record ocean temperatures that scientists say have the fingerprints of global warming." (Los Angeles Times) This article explores how climate change will be more destructive to California according to a new assessment.
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  13. Red-Hot Planet: All-Time Heat Records Have Been Set All...

    Graphic: Heat Dome Blankets Western U.S.
         Washington Post - Blogs Samenow, Jason Jul 3, 2018 Lexile: 1400 SIRS® Issues Researcher
     "From the normally mild summer climes of Ireland, Scotland and Canada to the scorching Middle East to Southern California, numerous locations in the Northern Hemisphere have witnessed their hottest weather ever recorded over the past week. Large areas of heat pressure or heat domes scattered around the hemisphere led to the sweltering temperatures....No single record, in isolation, can be attributed to global warming. But collectively, these heat records are consistent with the kind of extremes we expect to see increase in a warming world." (Washington Post - Blogs) This article highlights the 2018 global hot-weather milestones.
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  14. Unusually Hot Spring Threw Plants, Pollinators Out of Sync in Europe

    InsideClimate News Newswire Berwyn, Bob Jun 16, 2018 Lexile: 1510 SIRS® Issues Researcher
     "Two months of unusually high spring temperatures in Europe have thrown the ecosystem in this urban wilderness meadow out of whack, says butterfly expert Marion Jaros. The warm temperatures accelerated the hatch of many butterflies and other pollinating species, but the flowers they depend on for nectar are not responding in sync....That's also a problem for the plants that rely on butterflies and other insects for pollination. In some cases, the flowers are opening too far ahead of their pollinators; in others, the pollinators, like Jaros's butterflies, arrive too early." (InsideClimate News Newswire) This article discusses how warming temperatures are impacting the ecosystem for pollinators in Europe.
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  15. Amidst Rising Heat Waves, UN Says Cooling Is a Human Right...

    Inter Press Service Deen, Thalif Aug 6, 2018 Lexile: 1600 SIRS® Issues Researcher
     "The rising heat waves in the world's middle income and poorer nations are threatening the health and prosperity of about 1.1 billion people, including 470 million in rural areas without access to safe food and medicines, and 630 million in hotter, poor urban slums, with little or no cooling to protect them, according to the latest figures released by the United Nations. At least nine countries, with large populations, face "significant cooling risks", including India, Bangladesh, Brazil, Pakistan, Nigeria, Indonesia, China, Mozambique and Sudan. Rachel Kyte, Chief Executive Officer (CEO) and Special Representative to the United Nations Secretary-General for Sustainable Energy for All (SEforALL), says that in a world facing continuously rising temperatures, access to cooling is not a luxury." (Inter Press Service) This article highlights an interview with Rachel Kyte, CEO and Special Representative to the UN Secretary-General for Sustainable Energy for All (SEforALL) why having access to cooling should be a human right.
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  16. Adding Up the Cost of Climate Change in Lost Lives

    Wall Street Journal Online Ip, Greg Aug 1, 2018 Lexile: 1500 SIRS® Issues Researcher
     "Optimists often note that most countries will be richer by the end of this century, and societies are adaptable, both of which ought to reduce the harm from a warming climate. But an exhaustive new study focusing only on heat-related damage reaches a sobering conclusion: by the year 2099, even with economic growth and adaptation, 1.5 million more people will die each year around the world because of increased heat. By comparison, 1.25 million people died in 2013 in all traffic accidents world-wide. Moreover, adaptation extracts an economic toll, from installing more air conditioning to curbing outdoor activity. The study calculates that such efforts effectively more than double the cost of climate change-induced heat." (Wall Street Journal Online) This article highlights a study into the economic and motral costs of rising global temperatures.
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  17. A Dangerous Summer in a Warmer World

    Infographic: Global Climate Anomalies of June 2018
         Washington Post Achenbach, Joel, and Fritz Angela p.g. A.1 Jul 27, 2018 Lexile: 1360 SIRS® Issues Researcher
     "The brutal weather has been supercharged by human-induced climate change, scientists say. Climate models for three decades have predicted exactly what the world is seeing this summer. And they predict that it will get hotter - and that what is a record today could someday be the norm." (Washington Post) This article discusses how climate change is impacting summer weather.
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  18. Study: Global Warming Is Weakening Key Ocean Circulation

    New York Post Borenstein, Seth Apr 11, 2018 Lexile: 1370 SIRS® Issues Researcher
     "Global warming is likely slowing the main Atlantic Ocean circulation, which has plunged to its weakest level on record, according to a new study. The slowdown in the circulation - a crucial part of Earth's climate - had been predicted by computer models, but researchers said they can now observe it. It could make for more extreme weather across the Northern Hemisphere, especially Europe, and could increase sea level rise along the U.S. East Coast, they said." (New York Post) This article highlights how ocean circulation is slowing down due to global warming.
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  19. Climate Change Is Making the Arab World More Miserable

    Economist p.g. 49 Jun 2, 2018 Lexile: 1430 SIRS® Issues Researcher
     "The institute forecasts that summer temperatures in the Middle East and north Africa will rise over twice as fast as the global average. Extreme temperatures of 46°C (u5°F) or more will be about five times more likely by 2050 than they were at the beginning of the century, when similar peaks were reached, on average, 16 days per year. By 2100 'wet-bulb temperatures'-a measure of humidity and heat- could rise so high in the Gulf as to make it all but uninhabitable, according to a study in Nature (though its most catastrophic predictions are based on the assumption that emissions are not abated)." (Economist) This article highlights how climate change is impacting droughts and heat waves in the Middle East.
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  20. Fish Species Forecast to Migrate Hundreds of Miles Northward...

    InsideClimate News Newswire Berwyn, Bob May 16, 2018 Lexile: 1540 SIRS® Issues Researcher
     "Global warming will drive many of North America's fish species hundreds of miles northward, potentially costing coastal fishing communities billions of dollars over the next few decades, new research shows. In New England, the centuries-old cod fishery is at risk, with East Coast habitat for Atlantic cod expected to decline 90 percent by 2100. Off the Pacific Northwest, rockfish that have been prized by Native American communities for centuries are moving toward Alaska as the oceans warm." (InsideClimate News Newswire) This article explores how American fish migrations are forcast to increase due to global warming and how coastal communities will need to adapt.
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  21. Keeping Global Warming to 1.5 Degrees Could Spare Millions Pain...

    InsideClimate News Newswire Banerjee, Neela May 29, 2018 Lexile: 1600 SIRS® Issues Researcher
     "Faster international action to control global warming could halt the spread of dengue fever in the Western Hemisphere and avoid more than 3 million new cases a year in Latin America and the Caribbean by the end of the century, scientists report. The tropical disease, painful but not usually fatal, afflicts hundreds of millions of people around the world. There is no vaccine, so controlling its spread by reining in global warming would be a significant health benefit." (InsideClimate News Newswire) This article explores how curbing global warming could limit the spread of dengue fever.
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  22. What a Warmer World Could Bring

    Los Angeles Times Fleshler, David p.g. A.10 Jul 8, 2018 Lexile: 1500 SIRS® Issues Researcher
     "Some changes -- such as the slowing of hurricanes' forward motion and the worsening of storm surges from rising sea levels -- are happening now. Other effects, such as their increase in strength, may have already begun but are difficult to detect, considering all of the other climate forces at work. But more certainty has developed over the last few years. Among the conclusions: Hurricanes will be wetter. They are likely to move slower, lingering over whatever area they hit. And although there is debate over whether there will be more or fewer of them, most researchers think hurricanes will be stronger." (Los Angeles Times) This article highlights how climate change may affect rapidly intensifying hurricanes and storm surges.
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  23. Urgent Climate Action Required to Protect Tens of Thousands of...

    InsideClimate News Newswire Cushman Jr, John H May 17, 2018 Lexile: 1530 SIRS® Issues Researcher
     "Humanity can powerfully improve the survival odds of tens of thousands of species, but only if nations dramatically raise their ambitions in the fight against climate change, according to new research published on Thursday [May 17, 2018] in the journal Science. One key to salvaging plant and vertebrate habitat and protecting the world's biodiversity is to limit warming to the most challenging benchmark established under the 2015 Paris treaty—1.5 degrees Celsius of warming—not to the treaty's less stringent 2 degree guardrail, the study found....If nations do no more than they have pledged so far to reduce their greenhouse gas emissions—and warming consequently shoots past 3 degrees by the end of this century—6 percent of all vertebrates would be at risk. So would 44 percent of plants and a whopping 49 percent of insects." (InsideClimate News Newswire) This article highlights how more species, especially insects, are at risk of extinction if carbon emissions are not reduced.
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  24. AP was There: The Age of Climate Change Begins

    New York Post Darst, Guy Jun 18, 2018 Lexile: 1670 SIRS® Issues Researcher
     "On June 23, 1988, a top NASA scientist told Congress and the world that global warming had arrived. NASA scientist James Hansen predicted that 1988 would be the world's hottest year on record, thanks to the burning of fossil fuels that released heat-trapping gases. The Associated Press is republishing a version of its report on the testimony to mark the 30th anniversary." (New York Post) Marking three decades of climate change, this article highlights a republished report of NASA scientist James Hansen's 1988 testimony.
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  25. Migrants Are on the Rise Around the World, And Myths About Them...

    New York Times Porter, Eduardo, and Karl Russell p.g. B. 1. Jun 23, 2018 Lexile: 1500 SIRS® Issues Researcher
     "Immigration is reshaping societies around the globe. Barriers erected by wealthier nations have been unable to keep out those from the global south--typically poor, and often desperate--who come searching for work and a better life. While immigrants have often delivered economic benefits to the countries taking them in, they have also shaken the prevailing order and upended the politics of the industrialized world--where the native-born often exaggerate both their numbers and their needs." (New York Times) This article examines fear of immigrants, the perception that there are more immigrants than there really are, the flow of migration, factors that are driving migration and more.
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