If America and its allies put sanctions on Iran, the Iranian navy could block the Strait of Hormuz, an important channel for international oil shipments. Have Republicans ensured the death of Keystone XL by pushing Obama to decide one way or another about the pipeline? The EPA is scaling back requirements for cellulosic ethanol in the coming years. Presidential candidates are allowed to criticize ethanol now -- even in Iowa. These NASA photos document the growth of the Athabasca tar sands pits in Alberta.
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Sarah Laskow is a reporter based in New York City who covers environment, energy, and sustainability issues, among other things.
Millions alive today would have to die before the paleo diet could take over
Goodbye, everyone! A massive hole has opened at the End of the World
Mother jailed for letting her daughter run free — at the playground
Lay off the almond milk, you ignorant hipsters
Nestlé doesn’t want you to know how much water it’s bottling from the California desert