Photo: "Volcano Cure" for Warming? Not So Fast, Study Says

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A recent study of major volcanic eruptions, such as that of Mount Pinatubo in 1991 (above), showed that the sulfur that spewed into the atmosphere significantly reduced rainfall.

The findings suggest that filling the skies with sulfur as a solution to human-caused global warming could provoke global drought, experts say.

Photograph by StockTrek/Getty Images

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