Global warming
refers to an
increase in the
average
temperature of
the earth's
atmosphere.
Many believe,
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drive can a
make huge
difference on
impacting
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based on substantial evidence, that
global warming is occurring because of
human activity. The burning of fossil
fuels, a non-renewable source of
energy, is leading to the intensification
of greenhouse gases. When fossil fuels
are burned, greenhouse gases such as
carbon dioxide are released into the
atmosphere. The fossil fuels we burn to
run our cars, trucks, factories, planes
and power plants add to the natural
supply of greenhouse gases.