A new study indicates that air pollution may have reduced storm activity in the North Atlantic during the 20th century. The idea is that sulfur dioxide particles may have caused clouds to reflect more light, which could have lowered the surface temperature of the ocean. "Our results show changes in pollution may have had a much larger role than previously thought," researcher Nick J. Dunstone said. The study suggests that efforts to reduce pollution in the area are at least partially responsible for an uptick in storm activity in recent years.
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