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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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The model estimated potential worldwide emissions reductions of particulate and gaseous species on the basis of available real-world data on reduction efficiencies of these measures where they have been applied already and examined the impact of full implementation everywhere by 2030. Shindell et al., Supplementary material. Click to enlarge.

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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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Intentional-use sectors: Disposal and incineration of product waste, cremation emissions, chlor-alkali industry. Despite recent progress in improving the available knowledge base, the report notes, the emissions estimate still has large associated uncertainties, giving a range of 1,010-4,070 tonnes. Source: UNEP. Click to enlarge.

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