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The decay of buried carbon-based organisms that died millions of years ago produces fossil fuels. They produce carbon-rich deposits, which are mined and burned for energy. They are non-renewable and currently provide roughly 80% of global energy. Coal, oil, and gas are the three forms of fossil fuels. For decades, fossil fuels have provided energy to a wide range of human activities. Electricity generation, home heating, transportation fuel, and polymers are all examples of uses for fossil fuels. The use of fossil fuels is the principal driver of contemporary climate change, which is disrupting Earth's ecosystems and posing health risks to humans and the environment. When fossil fuels are burned, massive volumes of carbon dioxide, a greenhouse gas, are released into the atmosphere. Global warming is caused by greenhouse gases, which trap heat in our atmosphere. Coal is the single major contributor to global warming. Natural gas is frequently advertised as a more environmentally friendly energy source than coal and oil. It is, however, still a fossil fuel, accounting for a fifth of global carbon emissions. Fossil fuel emissions are the primary cause of global warming. About 65 percent of the extra mortality rate due to air pollution is linked to fossil-fuel-related emissions, and 70 percent of the climate cooling caused by anthropogenic aerosols is attributable to fossil-fuel-related emissions. To keep global warming from worsening, about 60% of oil and gas reserves and 90% of coal reserves must remain in the ground. According to scientists, about 60% of oil and gas reserves and 90% of coal reserves must remain in the ground to keep global warming below 1.5 degrees Celsius. While scientists say we need a mass switch to renewable energy and efficiency, fossil fuel businesses continue to be enormous polluters, producing and selling fossil fuel goods.
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