Fertilization Effect: Elevated Carbon Dioxide Has Made Arid Regions Greener

If you live in an arid region, you know keeping it green is an environmentally stressful activity. But some arid regions have been getting greener on their own and scientists have long suspected that a flourishing of green foliage around the globe, observed since the early 1980s in satellite data, springs at least in part from the increasing concentration of carbon dioxide in Earth's atmosphere. A study of arid regions around the globe looked into the potential of a "fertilization effect" of   carbon dioxide  and found that it has, indeed, caused a gradual greening from 1982 to 2010. read more

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