Reduction of short-lived atmospheric pollutant emissions as an alternative strategy for climate-change moderation |
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Authors: | I L Karol’ A A Kiselev E L Genikhovich S S Chicherin |
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Institution: | 1. Voeikov Main Geophysical Observatory, ul. Karbysheva 7, St. Petersburg, 194021, Russia
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Abstract: | The current state of studies on short-lived atmospheric constituents (greenhouse gases and aerosols) is reviewed. They have short atmospheric lifetimes (from several days to a few years) and can significantly affect the environment and climate. We propose reducing the emissions of these constituents as an alternative to the reduction of man-made carbon dioxide releases. We consider methane, hydrofluorocarbons, tropospheric ozone, and various aerosols (primarily, black carbon); discuss their atmospheric sources and destruction mechanisms; evaluate their content, atmospheric emissions, and climate impacts; and recommend efficient actions for the nearest future. |
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