News FocusClimate Change

Landscape Changes Make Regional Climate Run Hot and Cold

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Science  15 Jan 1999:
Vol. 283, Issue 5400, pp. 317-319
DOI: 10.1126/science.283.5400.317

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Deforestation, grazing, agriculture, and development have profoundly altered vast swaths of land on almost every continent, changing regional climate in the process. Researchers are now measuring and trying to understand the cooling effect of irrigated farming in Colorado, the warming and drying seen in deforested areas of the Amazon and elsewhere, and variations in storm intensity in the U.S. Northeast that match the weekly rise and fall of air pollution.