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EPA finalizes ICAO-aligned GHG emissions standards for aircraft; “no costs and no emission reductions”

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The US Environmental Protection Agency (EPA) finalized greenhouse gas (GHG) emissions standards for airplanes used in commercial aviation and large business jets. This action will align US standards with the international carbon dioxide emissions standards already set by the International Civil Aviation Organization (ICAO).

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Study: annual climate impact of wild pigs could be greater than 1.1M cars

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million cars, according to a new study by an international team led by researchers from The University of Queensland and The University of Canterbury. Their study appears in Global Change Biology. By uprooting carbon trapped in soil, wild pigs (feral swine), are releasing around 4.9 O’Bryan, C. Patton, N.

Climate 435
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Eight energy majors commit to reduce methane emissions within natural gas industry

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BP, Eni, ExxonMobil, Repsol, Shell, Statoil, Total and Wintershall committed to reduce further methane emissions from the natural gas assets they operate around the world. Numerous studies have shown the importance of quickly reducing methane emissions if we’re to meet growing energy demand and multiple environmental goals.

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UK Royal Society Publishes New Short Guide to Science of Climate Change

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The Royal Society, the UK’s national academy of science, has published a new short guide to the science of climate change. The guide summarizes the evidence and clarifies the levels of confidence associated with the current scientific understanding of climate change. Future climate change.

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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.

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CalZEV Coalition supports Innovative Clean Transit measure under consideration at California ARB; 100% zero-emission buses

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Californians for Zero Emission Vehicles (CalZEV), a coalition of public health, environmental and electric vehicle industry organizations, announced its strong support for the Innovative Clean Transit (ICT) measure currently before the California Air Resources Board (CARB). CalZEV expects CARB to make a decision on the ICT in September 2018.

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State Department issues Draft Supplemental Environmental Impact Statement on Keystone XL Pipeline: climate change impacts

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The document is a detailed draft technical review of potential environmental impacts associated with the segment of the pipeline in the US, including: impacts from construction, impacts from potential spills, impacts related to climate change, and economic impacts. What Keystone XL would carry. Greenhouse gas LCA analysis.