Smaller volcanoes could cool climate

Posted July 5th, 2012 by PCC STEM & filed under Geology.

Scientists have discovered that aerosols from relatively small volcanic eruptions can be boosted into the high atmosphere by weather systems such as monsoons, where they can affect global temperatures. The massive eruption of Mount Pinatubo in the Philippines in 1991 temporarily dropped temperatures by half a degree Celsius world-wide.

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