A bold baby step on emissions

Eli is a contributing correspondent for Science magazine.

The U.S. Environmental Protection Agency has proposed new rules that it says will lower greenhouse gas emissions from existing power plants by 30% by 2030, relative to 2005 levels. The move, which is probably President Barack Obama's most significant single step to mitigate climate change, has drawn both praise and scorn, while prompting debates about its cost to consumers and impact on future temperature rise.

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Posted in Earth, Policy