If we had started global decarbonization in 2000, when Al Gore narrowly lost election to the American presidency, we would have had to cut emissions by only about 3 percent per year to stay safely und...
Think of climate change as slow, but it is unnervingly fast. We think of the technological change necessary to avert it as fast-arriving, but unfortunately it is deceptively slow—especially judged by...
Early naturalists talked often about deep time—the perception they had, contemplating the grandeur of this valley or that rock basin, of the profound slowness of nature. But the perspective changes wh...
Fourteen of the world’s twenty biggest cities are currently experiencing water scarcity or drought. Four billion people, it is estimated, already live in regions facing water shortages at least one mo...