Renewable energy technologies are generally friendlier to the environment than conventional energy technologies, which rely on fossil fuels. Fossil fuels contribute significantly to many of the environmental problems we face today – greenhouse gases, air pollution, and water and soil contamination – while renewable energy sources contribute relatively little.
The increased use of fossil fuels has significantly increased greenhouse gas emissions creating an enhanced greenhouse effect known as global warming. Renewable energy technologies, however, can produce heat and electricity with a very low or no amount of carbon dioxide emissions.
Energy use from fossil fuels is also a primary source of air, water, and soil pollution. Pollutants take a dramatic toll on our environment.
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