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Jan 14, 2009 | 52
It's a topic that is likely to come up more and more after President-elect Barack Obama moves into the White House next week. Obama has said that preventing and reversing global warming will be a top priority in his administration—a change from the previous administration's stance that voluntary efforts would be enough—likely through a mandatory cap-and-trade scheme.
Under that type of program, the government sets a cap or overall level for pollution and polluters can trade licenses to pollute to keep within their levels. But opponents of such a scheme note that such a move would ultimately drive up energy costs, because power plant owners will pass along to consumers the costs of staying within the mandatory limits.
Sep 28, 2008 | 6
When the presidential nominees verbally duked it out during their first televised debate Friday night, many people -- including perhaps Democrat Barack Obama -- were flummoxed when Republican John McCain started railing about forking over funds to study bear DNA.
What's up with that? Check out this ScientificAmerican.com article from earlier this year for the answer.
(iStockPhoto of grizzly bears by Paul Tessie)
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