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ICCT: US domestic airlines show modest improvement in fuel efficiency since 2010, top performers Alaska and Spirit widen lead

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Alaska Airlines had the most efficient US domestic operations in both 2011 and 2012, the same position it occupied in a 2010 benchmark assessment published by the ICCT last year. Alaska is very efficient in large part because it operates a new Boeing fleet and uses turboprops on regional flights. Earlier post.) Click to enlarge.

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US DOE to award up to $20M for research on methane hydrates

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Recent discoveries of methane hydrate in arctic and deep-water marine environments have highlighted the need for a better understanding of this substance as a natural storehouse of carbon and a potential energy resource. DOE-Alaska cooperation on unconventional resources. —DE-FOA-0000891. Earlier post.). Earlier post.).

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ConocoPhillips and US DOE project testing production of methane from hydrates via CO2 injection on Alaska North Slope

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A fully instrumented well that will test innovative technologies for producing methane gas from hydrate deposits has been installed on the North Slope of Alaska. Researchers are addressing issues such as seafloor stability, drilling safety, and a range of environmental issues, including gas hydrate’s role in changing climates.

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US Global Change Research Program Issues Report on Impacts of Climate Change in US; Details Point to Potential Value of Early, Aggressive Action

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Widespread climate-related impacts are occurring now in the US and are expected to increase. A product of the interagency US Global Change Research Program, the 190-page report was commissioned in 2007 and completed this spring. It is clear that climate change is happening now. Source: USGCRP. Click to enlarge.

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USGS assessment finds mean CO2 storage potential of 3,000 gigatonnes in US

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The United States has the potential to store a mean of 3,000 gigatonnes of carbon dioxide in geologic basins throughout the country, according to the first detailed national geologic carbon sequestration assessment released today by the US Geological Survey (USGS). Carbon sequestration in the President’s climate plan.

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Expansion of sugarcane crop in Brazil to areas previously occupied by crops or pastureland leads to local cooling

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A new study led by Carnegie Institution’s Department of Global Ecology has found that the expansion of sugarcane crop in Brazil in areas previously occupied by other Brazilian crops cools the local climate. The study is published in the second issue of Nature Climate Change. Nature Climate Change doi: 10.1038/nclimate1067.

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Study Concludes Peak Coal Will Occur Close to 2011

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A multi-Hubbert analysis of coal production by Tadeusz Patzek at The University of Texas at Austin and Gregory Croft at the University of California, Berkeley concludes that the global peak of coal production from existing coalfields will occur close to the year 2011. Gt C (15 Gt CO 2 ) per year, according to the study.

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