WASHINGTON (AP) -- President Barack Obama's commitment to take on climate change and put science over politics is about to be tested as his administration faces a politically sensitive question about the widespread use of ethanol: Does it help or hurt the fight against global warming?...
Environmentalists, citing various studies and scientific papers, say the agency must factor in more than just the direct, heat-trapping pollution from ethanol and its production. They also point to "indirect" impacts on global warming from worldwide changes in land use, including climate-threatening deforestation, as land is cleared to plant corn or other ethanol crops.
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