Natural aerosols confound climate predictions

Natural aerosols confound climate predictions

Researchers can’t say how much cooling these floating particles cause

By Gabriel Popkin, 14:37 PM November 6, 2013

Airborne particles from natural sources add more uncertainty to global climate simulations than scientists previously realized. The finding could complicate scientists’ attempts to predict climate change.

Although scientists agree climate is warming, they cannot predict exactly how much temperatures will rise in a given time period. Among the main factors forcing researchers to hedge their forecasts are small floating particles called aerosols, which form either naturally or from human activit...

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