Are people the problem? Or our consumption?

Hamedog via Wikimedia Commons

A new paper in the  journal Nature Climate Change assesses which human factors are the most important drivers of greenhouse gas emissions.

The authors note know that for every 1 percent increase in human population, greenhouse gas emissions go up by slightly more than 1 percent. But which aspects of human life contribute most—more people, more consumption, or both—and how might that play out in a world racing towards 10 billion people this century? (I wrote at length about this concern in Mother Jones‘ The Last Taboo.)

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