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New phase of globalization could undermine efforts to reduce CO2 emissions

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In turn, the growth of CO 2 emissions embodied in Chinese exports has slowed or reversed, while the emissions embodied in exports, such as textiles, from less-developed regions like Vietnam and Bangladesh have surged. trillion) in 2014. —Prof Guan.

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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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Given currently available carbon budget estimates, the available global carbon budget for 1.5 ˚C The report also covers an assessment of the potential contribution from reductions in short-lived climate pollutants (SLCPs). C target is 16 to 19 GtCO 2 e, higher than previous estimates as new studies have become available.

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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. Their potential climate impact was assessed by using published global warming potential (GWP) values for each pollutant affected. Source: Shindell et al. Click to enlarge.

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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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EPA report to Congress finds a strong scientific and technical foundation for mitigating black carbon emissions

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The US Environmental Protection Agency (EPA) has submitted its final Report to Congress on Black Carbon , in response to an October 2009 request from Congress to advance efforts to understand the role of black carbon (BC) in climate change. Effects of BC on climate, as compared to GHGs. Earlier post.). Earlier post.). Source: EPA.

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Study of emissions from CNG- and gasoline-fueled autorickshaws suggests measurements and data, not assumptions, should drive policy

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By 2003, all buses, taxis and auto-rickshaws in Delhi were retrofitted to run on CNG; only new vehicles with CNG engines are now available. (Of and THC, less CO than PET-4S) and climate benefits (lower fuel consumption, less GWC than CNG-2S). Of the four-stroke vehicles, a subset also has functioning backup gasoline fuel systems.)

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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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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. Groundwater demand is expected to grow many fold in coming years, with increasing agricultural growth and industrialization. Tiwari et al.

Water 170