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Study: 2/3 of aviation climate impact due to emissions other than CO2

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This new study is based on a thorough review of a decade of research on aviation emissions. It makes an important contribution to the scientific understanding we have of the role of aviation for climate change—an understanding decision-makers and politicians may need on the way to achieving the goals of the Paris Agreement.

Climate 448
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PCAST suggests 6 key components for climate change strategy to President Obama; adaptation and mitigation

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The President’s Council of Advisors on Science and Technology (PCAST) released a letter to President Obama describing six key components the advisory group believes should be central to the Administration’s strategy for addressing climate change. Improving coordination and support for research efforts on climate change preparedness.

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EIA: US energy-related CO2 fell by 2.8% in 2019, slightly below 2017 levels

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in 2019 to 5,130 million metric tons (MMmt), according to data in the US Energy Information Administration’s (EIA) Monthly Energy Review. Source: US Energy Information Administration, Monthly Energy Review. Nearly all of the change in CO 2 emissions in 2019 arose in the electric power sector.

2019 273
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Black carbon is a much larger cause of climate change than previously assessed; about twice previous estimates, and 2/3 the effect of CO2

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The JGR-Atmospheres Editors decided to provide a platform for this article because we believe that there is great scientific value in reviewing, assessing, and synthesizing a large body of existing literature, and by going beyond the conclusions that any individual paper can reach. In a special comment on the significance of the Bond et al.

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T&E study finds plug-in hybrids show higher CO2 emissions than claimed

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Selling plug-in hybrids makes it easier for carmakers to meet their EU car CO2 standards as PHEVs are currently given additional credits. T&E said the EU should end this weakening of the regulation when it reviews the targets for 2025 and 2030 next year. Transport & Environment (2020). ? A new Dieselgate in the making.

Plug-in 243
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EIA data shows ongoing trend of rising CO2 emissions from energy consumption after several years of decreases

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The September 2014 Monthly Energy Review (MER) published on Friday by the US Energy Information Administration (EIA) has provided more data to support a trend in rising CO 2 in the US that began in 2013. Climate Change Emissions' Sankey diagrams. Top: US Energy Flow, 2013 (quadrillion Btu). Source: EIA MER. Click to enlarge.

Emissions 239
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ICAO agrees to market-based measure to address aviation CO2

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In a statement released after the ICAO announcement, ICSA said that while it recognized the agreement as a hard-fought political compromise to see that aviation contributes its fair share in the climate change fight, critical work remains to ensure environmental integrity and broad participation.

Market 199