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aerosol

Hurricanes suppressed by air pollutants

Understanding how often devastating tropical storms like Superstorm Sandy occur, and how humans may play a role in their frequency, is a major goal among climate scientists. Now, a new study indicates that aerosols may suppress storm formation over the Atlantic. Thus, researchers say, more frequent storms at the end of the last century might have been an unintended side effect of cleaning up the air.

26 Jun 2013

Natural dust may be harmful to ocean organisms

Although human-made aerosols sometimes are toxic, natural aerosols from deserts and volcanoes are important contributors to ocean fertilization. Now, new research suggests that natural aerosols have their downside too — and the impact of natural aerosols on ocean organisms could influence predictions of future climate change.

10 Mar 2009

Air pollutants from "megacities" a growing problem

Megacities — cities with populations equaling or greater than 10 million people — are producing an unprecedented amount of air pollution, according to scientists at the American Chemical Society's annual meeting in Washington, D.C., on Tuesday.

21 Aug 2009