15 Ways President Obama Has Tackled Climate Change

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  • environmentalism, climate change
  • environmentalism, climate change
  • environmentalism, climate change
  • environmentalism, climate change
  • environmentalism, climate change
  • environmentalism, climate change
  • environmentalism, climate change
  • climate change, environmentalism
  • President Obama
  • climate change
  • climate change
  • environmentalism, climate change
  • climate change, environmentalism
  • environmentalism, climate change
  • environmentalism, climate change
  • environmentalism, climate change

Cutting Mercury Emissions Globally

The U.S. government has partnered with 140 other nations to negotiate a treaty to reduce toxic mercury emissions globally. The treaty is scheduled to be finalized in 2013. (Photo: Gary Wiepert/REUTERS/FILE /Landov)

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