As global temperatures rise, desert climates have spread north by up to 100 kilometres in parts of Central Asia since the 1980s, a climate assessment reveals1.
The study, published on 27 May in Geophysical Research Letters, also found that over the past 35 years, temperatures have increased across all of Central Asia, which includes parts of China, Uzbekistan and Kyrgyzstan. In the same period, mountain regions have become hotter and wetter — which might have accelerated the retreat of some major glaciers.
Such changes threaten ecosystems and those who rely on them, says Jeffrey Dukes, an ecologist at the Carnegie Institution for Science’s Department of Global Ecology in Stanford, California. The findings are a “great first step” towards informing mitigation and adaptation policies, he says.
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