Sustainable “green” Chemistry


How is rainfall affected by pollutants in the atmosphere?

Air pollution can affect local and global weather patterns, including the amount and frequency of rainfall. At low concentrations particles floating around in the atmosphere may help clouds and thunderstorms to develop, but as their concentration increases these same particles can inhibit the formation of clouds that give rise to rainfall and thunderstorms. This topic is also relevant to issues surrounding climate change, since clouds are understood to generally have a cooling effect on the climate because they reflect incoming sunlight.


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