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

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Comparison of proposed Keystone XL route to previously proposed project segment. The US Department of State (DOS) has released its Draft Supplemental Environmental Impact Statement (SEIS) in response to TransCanada’s May 2012 application for the Keystone XL pipeline that would run from Canada’s oils sands in Alberta to Nebraska.

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Global Carbon Project: Global carbon emissions growth slows, but hits record high

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The findings are outlined in three new papers published in Earth System Science Data , Environmental Research Letters , and Nature Climate Change. The decline of coal use in the European Union and United States is overshadowed by surging natural gas and oil use around the world, according to the researchers. Peters, R.M.

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Study finds GHG emissions from corn ethanol now 46% lower than gasoline

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In light of the United States’ renewed effort to achieve a net zero carbon economy, our research team believes this critical review is a timely contribution to establishing an accurate, common understanding of the greenhouse gas profile for corn ethanol in comparison to gasoline refined from crude oil. Scully et al.

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Carnegie study finds climate impact of particulates varies greatly depending on where the pollution originated

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However, aerosols have a much shorter lifespan in the atmosphere than the gases responsible for global warming, resulting in an atmospheric distribution that varies by region, especially in comparison to carbon dioxide. For example, aerosols from India cool their country of origin 20 times more than they cool the planet.

Climate 170
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Studies find global COVID-19 lockdowns have significantly reduced PM2.5 and NO2 pollution, but ozone up

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For comparison, columns over the same time periods are shown for 2019. Stavrakou and her colleagues used satellite measurements of air quality to estimate the changes in nitrogen dioxide pollution over the major epicenters of the outbreak: China, South Korea, Italy, Spain, France, Germany, Iran and the United States.

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PBL/JRC: Global CO2 emissions increase to new all-time record in 2013, but growth is slowing down

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After years of a steady decline, the CO 2 emissions of the United States grew by 2.5% The emissions increase in the United States in 2013 (+2.5%) was mainly due to a shift in power production from gas back to coal together with an increase in gas consumption due to a higher demand for space heating. in 2013 and 3.4%

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Study Finds that US Subsidies for Fossil Fuels Are Almost 2.5x Those for Renewables

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These figures raise the pressing question of whether scarce government funds might be better allocated to move the United States towards a low-carbon economy. billion—are attributable to corn-based ethanol, the climate effects of which are disputed. Tags: Climate Change Fuels Policy. Adeyeye et al.

Renewable 338