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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. The team considered about 400 emission control measures to reduce these pollutants by using current technology and experience. Source: Shindell et al. Click to enlarge.

Carbon 257
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IEA finds CO2 emissions flat for third straight year even as global economy grew in 2016

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Global energy-related carbon dioxide emissions were flat for a third straight year in 2016 even as the global economy grew, according to the International Energy Agency. In China, as well as in India, the growth in natural gas is significant, reflecting the impact of air-quality measures to fight pollution as well as energy diversification.

Economy 199
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UCL-led study finds climate impact caused by growing space industry needs urgent mitigation

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To meet growing demand, new spaceports and launch vehicle companies are being established in historically aeronautically active nations such as the US and Russia, and in nations with emerging space sectors such as China and India. Impact of rocket launch and space debris air pollutant emissions on stratospheric ozone and global climate.”

Climate 428
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Study finds transport, residential heating main sources of black carbon in Russian Arctic

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According to a new international study published in the Proceedings of the National Academy of Sciences , 38% of black carbon in the Russian Arctic originates from transport and 35% from residential heating sources, while open fires, power plants, and gas flaring are responsible for only 12%, 9%, and 6% respectively. —Zbigniew Klimont.

Carbon 150
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ICCT study examines current & projected use of heavy fuel oil in Arctic shipping; growth in BC emissions points to need for policies

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A new study by the International Council on Clean Transportation (ICCT) estimates heavy fuel oil (HFO) use, HFO carriage, the use and carriage of other fuels, black carbon (BC) emissions, and emissions of other air and climate pollutants for the year 2015, with projections to 2020 and 2025. —Comer et al.

Oil 283
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Global CO2 emissions stalled for the third year in a row

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Other main findings include: In 2016, China, US, EU28, India, Russia and Japan, the world’s largest emitters in decreasing order of CO 2 emissions, accounted for 51% of the population, 65% of global Gross Domestic Product, 67% of the total primary energy supply and emitted 68% of total global CO 2 and circa 65% of total global GHGs.

Emissions 150
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US EPA seeking to award up to $1M for project to mitigate black carbon from diesel sources in Russian Arctic

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Consequently, soot’s effect on climate change has not been adequately addressed in national and international global warming legislation. Soot’s contribution, however, could be reduced by 90% years with aggressive national and international policies. ”. Decreasing soot could have a rapid effect, Jacobson said.

EPA 199