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Discovery of mechanism for atmospheric particle formation suggests need for ammonia emission regulations

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In a 2020 study, also published in Nature, Wang discovered that in cold conditions, such as that of the winter climate in Beijing, the mixture of these three agents contributes and condenses onto nanometer particles, increasing their mass quickly. After learning about the former study, Mingyi Wang, a Ph.D. Source: College of Engineering.

Emissions 186
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Nations agree on global, legally binding treaty on mercury emissions: Minamata Convention on Mercury

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The Minamata Convention on Mercury—named after a city in Japan where serious health damage occurred as a result of mercury pollution in the mid-20 th Century—provides controls and reductions across a range of products, processes and industries where mercury is used, released or emitted. Switches and relays. Soaps and cosmetics.

Mercury 250
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Devil in the Details: World Leaders Scramble To Salvage and Shape Copenhagens UNFCCC Climate Summit

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ºF) above pre-industrial levels to avoid the most catastrophic effects of climate change, and that global GHG emissions would have to peak around 2020 and then sharply decline by 50% to 85% by the year 2050. The WGMS estimates that more than half of Switzerland's glacier mass and 40% of Europe’s glacier mass have disappeared since 1850.

Climate 236
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Study Concludes That to Limit Global Warming to 2 °C, Less Than 25% of Proven Fossil Fuel Reserves Can be Burnt Between Now and 2050

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The researchers, involving scientists from Germany, the United Kingdom and Switzerland, concluded that the limit is 1,000 billion tonnes of carbon dioxide between the years 2000 and 2050. In practice, substantial reductions in global emissions have to begin soon, before 2020. Meinshausen et al. 2009) Click to enlarge.