February 26, 2010 4:08 PM

Environmentalists question coal's place in Obama policy

President Barack Obama, a longtime believer in "clean coal," is launching an ambitious and expensive plan to help the energy industry lock climate-changing gases from coal-fired power plants deep underground. Many scientists, clean-energy advocates and electricity producers are questioning Obama's approach, arguing that the world should phase out coal, use natural gas more efficiently and put more emphasis on renewable energy.

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