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Gernot Wagner

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Climate change, conceptual illustration. (Getty Images / MARK GARLICK/SCIENCE PHOTO LIBRARY)

Climate change is both predictable and unpredictable. We don’t need certainty to know it’s a crisis

Gernot Wagner
(<a href='http://www.shutterstock.com/gallery-564979p1.html'>homydesign</a> via <a href='http://www.shutterstock.com/'>Shutterstock</a>/Salon)

The planet won’t notice you recycle, and your vote doesn’t count

Gernot Wagner, Martin L. Weitzman