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Study finds rising temperatures increase risk of unhealthy ozone levels absent sharp cuts in precursors

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Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise, according to new work led by the National Center for Atmospheric Research (NCAR). Ozone formation. Even short periods of unhealthy ozone levels can cause local death rates to rise. Scenario A2 and RCP 8.5.

Ozone 199
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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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To make further progress, we should start focusing on road transportation and commercial and residential emissions. They then used the GEOS-Chem atmospheric chemistry transport model to track where these emissions ended up, from season to season and year to year, based on wind patterns and a pollutant’s chemical reactions to the atmosphere.

MIT 307
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Study finds global rivers and streams emitting 3x IPCC estimates of the GHG N2O

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Nitrous oxide is a potent greenhouse gas that contributes to climate change and stratospheric ozone destruction. Much of this nitrogen is transported into river and stream networks where it may be converted to nitrous oxide, a potent greenhouse gas, via the activity of microbes.