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International study identifies 14 key measures to reduce methane and black carbon emissions; reduction in projected global mean warming of ~0.5 °C by 2050

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While carbon dioxide is the primary driver of global warming over the long term, limiting black carbon and methane are complementary actions that would have a more immediate impact because these two pollutants circulate out of the atmosphere more quickly. All emissions control measures are assumed to improve air quality. Shindell et al.,

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Final session on international mercury convention this week expected to culminate in agreement; UNEP Global Mercury Assessment 2013 finds industrial source Hg emissions may be rising

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Apart from contaminated sites, the mercury pollution detected today is often found in locations very far away from its original source. This heavy metal is persistent and is dispersed throughout the world by atmospheric transport. Use of coal for power generation and industry is increasing, especially in Asia.

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