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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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Schematic overview of the primary black-carbon emission sources and the processes that control. the distribution of black carbon in the atmosphere and determine its role in the climate system. Accounting for all of the ways black carbon can affect climate, it is believed to have a warming effect of about 1.1

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Cutting Non-CO2 Pollutants Can Delay Abrupt Climate Change; The Fast Action Climate Agenda

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Noting the references in scientific and policy literature to the need for fast-action mitigation to help avoid DAI and abrupt climate changes, the authors define “fast-action” to include regulatory measures that can begin within 2–3 years, be substantially implemented in 5–10 years, and produce a climate response within decades.

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NRC releases report on potential for climate change to pose or to alter security risks for the US over next decade

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The National Research Council of the US has released a report examining the potential for climate change to pose or to alter security risks for the United States over the next ten years. It also emphasizes climate-driven security risks that call for action within the coming decade either to anticipate or to respond to security threats.

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Chevy buying carbon credits from US colleges; new formula helps fund campus energy-efficient projects

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Chevrolet is investing in clean energy efficiency initiatives of US colleges and universities through its voluntary carbon-reduction initiative. This marks the first time college campuses can use carbon performance methodologies to make money via greenhouse gas reductions that result from energy efficiency.

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BMW i Ventures invests in Prometheus Fuels; CO2 air-capture and conversion to carbon-neutral gasoline

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BMW i Ventures has invested in Prometheus Fuels ( earlier post ), a company removing CO 2 from the air and turning it into zero-net carbon gasoline that it will sell at gas stations, at a price that competes with fossil fuels, starting as early as this year. —Greg Smithies, Partner, BMW i Ventures.

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Perspective: The UN Approval Process for Carbon Offsets

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Since 2005, when major greenhouse-gas emitters among the Kyoto signatories were issued caps on their emissions and permitted to buy credits to meet those caps, there has been more than $300 billion worth of carbon transactions. The approval process for carbon offsets has two goals. THE APPROVAL PROCESS.

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Study finds culture influences response to climate change; consumption and reproduction

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How people choose to consume resources and use contraception influences their responses to climate change, according to a new study by a team of psychologists. If a family buys a fuel-efficient vehicle but chooses to drive more miles than they previously did, there is no gain for the environment. Swim, Janet K.;