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Green trees dress up our living environment. They are good for the eyes and provide shade. Forests account for 30 percent of the earth's total area and are mainly distributed in 10 countries: the United States, Canada, Russia, Brazil, China, Australia, the democratic republic of, Indonesia, Peru, and India. It sounds like the world's forests are abundant, but in fact, they are disappearing. Every year the earth loses about 13 million hectares of the forest-an area the size of Greece. With the increase of population and the demand of industry and agriculture, trees have to make room for construction and development. The amount of deforestation increases year by year. Why does the planting and cutting down trees affect human beings? We know that trees can provide people with wood, fuel, food, medicine, latex, and other daily necessities. Trees also affect the climate, not that they make snowfall on sunny days, but that their presence or absence can make a big difference. Weather and weather are not the same things. The weather is short-term, as the next five days on the evening news. Climate, on the other hand, refers to long-term weather patterns, usually based on 30 years. At the moment, the global climate is warming -- temperatures have risen by about 1 to 1.5 degrees in the last century. Trees affect the climate and thus the weather in three main ways: by lowering temperatures, reducing energy consumption, and reducing or absorbing air pollutants. Every part of the tree, from its leaves to its roots, helps regulate the climate. Leaves can cool down by adjusting the thermostat. It cools and cleans the air through evapotranspiration, a combination of evaporation and transpiration, which occur simultaneously and release water into the air. During evaporation, water in soil, lakes, rivers and even roads changes from liquid to vapor and eventually evaporates. During transpiration, water completely evaporates from the soil primarily through the plant surface (usually the leaves). We can't see this process with the naked eye, but a large oak tree can transpiration 40,000 gallons of water into the air every year. Outdoor air conditioning brought by trees reduces energy consumption at home or in the office. Planned hardwood tree shade lowers the building's temperature in the hot summer, while warm sunlight raises the indoor temperature during the cold winter through the branches, which also protect the building from the cold wind. Under planned planting, urban green planting can reduce the urban heat island effect. A "heat island" is when the temperature in the center of a city is usually several degrees higher than in the suburbs because the city generates and collects heat. Researchers in Atlanta found that downtown temperatures were five to eight degrees warmer than those in the suburbs, increasing the number of localized storms. In 1950, the phoenix was six degrees warmer than the Casagrande national preserve in its outer suburbs. By 2007, the difference had grown to 14 degrees. In urban areas, the temperature of the ground and airdropped. The researchers found that planting trees on the west and south sides of the home significantly reduced energy consumption. Under these conditions, annual cooling costs were reduced by 8-18% and annual heating costs by 2-8%, according to the EPA study. The leaves also filter particles from the air, including dust, ozone, carbon monoxide, and other air pollutants. Through photosynthesis, trees absorb carbon dioxide (a greenhouse gas) from the air and release oxygen. Trees can also store carbon dioxide - known as "carbon sequestration" - and depending on the size of the tree, a tree can store 35 to 800 pounds of carbon dioxide per year. Still, trees can't rescue us from the threat of photochemical smog. Photochemical smog is formed when sunlight reacts with chemical compounds, such as car exhaust. When trees release organic gases, they also contribute to photochemical smog. In addition, as a powerful weapon against global warming, only trees in the tropics (that is, a small geographical belt around the equator) can play a positive role in controlling the earth's temperature. In general, trees absorb carbon dioxide through photosynthesis and cool the planet by releasing water into the air through transpiration. In the tropics, the transpiration of water from trees increases cloud cover and lowers temperatures. But scientists have also found that forests can also trap heat because their thick, dark leaves absorb a lot of sunlight.

Palm oil is the most widely used vegetable oil on earth. It's found in about half of all processed foods in your local grocery store. Chances are, palm oil is in some form in almost every room in your home. Because of this demand, palm oil is also one of the biggest threats to rainforests. The quest for cheap palm oil has led not only to deforestation, but also to human rights abuses, massive carbon emissions, the displacement of indigenous people from their land, child Labour, forced Labour - an industry that is pushing species such as the sumatran orangutan to the brink of extinction. Preventing more pulp and paper is another way to protect forests. Our rainforests shouldn't pay the price when multinational companies look for cheap ingredients to make toilet paper, packaging, even books and clothes. But big logging giants like Asia pulp and paper (APP) and Asia Pacific resources international (aprl) have been destroying virgin forests for far too long to produce pulp and paper products. RAN came to the attention of the American publishing industry in 2010 when we demonstrated that the paper printed for children's books sold in the United States was related to the destruction of the Indonesian rainforest. In 2014, run to the fashion world's attention when we found similar links used in wood pulp fiber through some of the best selling clothing boutiques and department stores selling labels in the United States to find people like you to help us get our kids' books on how to get deforestation, how to get deforestation out of date!We need to be responsible for the food system. Everyone wants to eat healthy food and have a healthy body. But how can we create a healthy food system for a healthy planet? Right now, the U.S. industrial food system is wreaking havoc on our environment. Runaway climate change, rising levels of corporate control, food waste, deforestation, soil erosion, water shortages and pollution are just some of the by-products of our current food production system. We also face the extinction of key species, the loss of crop diversity, and the increase in food insecurity and racial inequality due to the way we produce most of our food today. Our industrial agricultural system is responsible for about one-third of today's global greenhouse gas emissions. So how can we change the global food system? The rainforest action network is exploring the intersection of agribusiness and climate change to identify the leverage that exists to generate large-scale systemic change. Learn more. Forests and Finance is another factor for deforestation. Cutting down vast areas of forest for industrial development costs a lot of money. The world’s worst forest destroyers rely on big banks to finance incredibly expensive operations such as palm oil plantations or paper and pulp mills. By connecting the dots between companies that operate the bulldozers and chainsaws and the financial institutions that fund this dirty work, we can hold banks and government agencies accountable — and apply pressure on them to change their policies and change their practices.