Study sees climate upside in greening arid regions

May 31, 2013 8:00 PM

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Study sees climate upside in greening arid regions

Rising carbon dioxide in the atmosphere has a "fertilization effect" on plants in arid regions that has contributed to the flourishing of foliage there, Australian researchers report.

An upside to climate change? The issue has been blamed for many problems, including more acidic oceans and rising pollen counts, but a study released Friday suggests a benefit: Arid regions are getting greener.

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