Space Forum / Shuttle / November 2007

The technology and ingenuity already exists to reduce the threat of
global warming. This includes solutions that will stimulate the
American economy by creating jobs, saving consumers money, and
protecting our national security.
By investing in renewable energy and energy efficiency, as well as
increase the efficiency of the cars we drive, we can take important
steps to reducing our dependence on oil and other fossil fuels that
are contributing to the threat of global warming.
By using energy more efficiently and using more renewable energy
sources, such as wind, solar, geothermal, and bio-energy, we would
significantly reduce our emissions of heat-trapping gases, like carbon
dioxide (CO2,) methane, and nitrous oxide.
The United States currently produces 70% of its electricity from
fossil fuels like coal, natural gas, and oil, but only 2% from
renewable sources. Since the burning of fossil fuels releases large
amounts of CO2, which is the leading cause of global warming, into the
atmosphere, increasing the share of electricity generated from
renewable resources would be one of the most effective ways to reduce
global warming emissions....

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