Of the total energy consumed in America, about 39%
is used to generate electricity. Therefore, electricity consumption is
an important portion of a consumer's environmental footprint.
All forms of electricity generation have some level of
environmental impact. Most of the electricity in the United States is
generated from fossil fuels, such as coal, natural gas, and oil.
Explore the Environmental Impacts of...
Electricity Generation Technologies
Various Energy Resources
Using energy more efficiently through more efficient end-uses or
through more efficient generation, such as combined heat and power,
reduces the amount of fuel required to produce a unit of energy output
and reduces the corresponding emissions of pollutants and greenhouse
gases. Electricity from renewable resources such as solar, geothermal,
and wind technologies generally does not contribute to climate change or
local air pollution since no fuels are combusted in these processes.
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