What Happens When the World Dries Out

Climate News Network: A warmer, drier world will be bad news for those people who already live on the edge. Higher temperatures will do more than evaporate the soil moisture: they will alter the natural soil chemistry as well. Manuel Delgado-Baquerizo of the Universidad Pablo de Olavide, in Seville, Spain, and fellow scientists report in Nature that they looked at soil samples from 224 dryland ecosystem plots in every continent except Antarctica. Drylands matter: they account for more than 40 percent of the planet's......

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