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New international Climate and Clean Air Coalition to focus on reduction of short-lived climate pollutants

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Global benefits from full implementation of measures for reduction of short-lived climate pollutants in 2030 compared to the reference scenario. The climate change benefit is estimated for a given year (2050) and human health and crop benefits are. for 2030 and beyond. Source: UNEP. Click to enlarge. Earlier post.). Earlier post.).

Climate 210
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A Bamboo Carbon Filter for Diesels Could Reduce Emissions

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Looking to make replacement filters more environmentally friendly and affordable, a team of engineering students from the Bangladesh University of Engineering and Technology , in Dhaka, designed a carbon-based version with bamboo. The filters can cost thousands of dollars to replace, however, because they’re made with precious metals.

Carbon 99
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New phase of globalization could undermine efforts to reduce CO2 emissions

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A new study finds that the growth of carbon production from Chinese exports has slowed or reversed, reflecting a “new phase of globalization” between developing countries that could undermine international efforts to reduce emissions. The paper is published in Nature Communications. trillion) in 2014.

Global 170
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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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Circle areas are proportional to values for (A and B) climate change, (C and D) human health (values for population over age 30), and (E and F) agriculture. Black carbon, a product of burning fossil fuels or biomass such as wood or dung, can worsen a number of respiratory and cardiovascular diseases. Source: Shindell et al.

Ozone 257
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UN Environment report says national GHG pledges only bring one-third of reductions needed for Paris Agreement

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The report also covers an assessment of the potential contribution from reductions in short-lived climate pollutants (SLCPs). This has raised hopes that emissions have peaked, as they must by 2020 to remain on a successful climate trajectory. These six present a combined poten al of up to 22 GtCO 2 e per annum.

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Low-lying and other vulnerable countries calling for fast action on non-CO2 global warming pollutants

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The next round of UN climate negotiations begins in Cancun today. ” The authors go on to say that reducing the non-CO 2 pollutants can delay additional climate warming by several decades. Technology is already available to reduce these climate-forcing agents, and doing so would produce strong collateral benefits.

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Northern India Rapidly Depleting its Groundwater Due to Excessive Irrigation; Major Water Crisis Looms If Trend Continues

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The demand for agricultural products is intense. Although future climate change is expected to intensify the precipitation and thus increase water availability in this region, evaporation will likely also increase due to the warmer climate. Tiwari et al.

Water 170