Experts say nuclear power needed to slow warming

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ENERGY and ENVIRONMENT
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ENERGY and ENVIRONMENT
Obama: Ordered temporary moratorium on deep-water drilling after the massive BP oil spill in the Gulf of Mexico, but U.S. produced more oil in 2010 than it has since 2003 and all forms of energy production have increased under Obama. Achieved historic increases in fuel economy standards that will save money at the pump while raising the cost of new vehicles. Achieved first-ever regulations on heat-trapping gases blamed for global warming and on toxic mercury pollution from power plants. Spent heavily on green energy and has embraced nuclear power as a clean source. Failed to persuade a Democratic Congress to pass limits he promised on carbon emissions. Set goal of cutting oil imports by half by 2020.

Romney: Pledges U.S. will become independent of energy sources outside of North America by 2020, through more aggressive exploitation of domestic oil, gas, coal and other resources and quick approval of Keystone XL pipeline from Canada. Supports opening Atlantic and Pacific outer continental shelves to drilling, as well as Western lands, Arctic National Wildlife Refuge and offshore Alaska. Says green power has yet to become viable and causes of climate change are unproved.

FILE - In this March 22, 2012 file photo, a pumpjack is silhouetted against the setting sun in Oklahoma City. (AP Photo/Sue Ogrocki, File)