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MIT study: half of US deaths related to air pollution are linked to out-of-state emissions

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In general, the researchers find that when air pollution is generated in one state, half of that pollution is lofted into the air and carried by winds across state boundaries, to affect the health quality of out-of-state residents and increase their risk of early death. and/or ozone. and/or ozone. —Steven Barrett.

MIT 307
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Study finds changes in the Arctic sea ice cover may be driving changes in atmospheric chemistry

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Bromine also can remove ozone from the lowest layer of the atmosphere, the troposphere. Despite ozone’s beneficial role blocking harmful radiation in the stratosphere, ground-level ozone is a harmful pollutant. Bromine then reacts with a gaseous form of mercury, turning it into a pollutant that falls to Earth’s surface.

Mercury 210