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Scientists call for careful use of time scales, reference dates and statistical approaches in analyzing climate change trends to avoid distortion and hampering of response

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Interpolated surfaces showing the change in mean annual temperature across Alaska for three different time series: 1949?2009, Red colors represent a temperature increase, blue indicates a decrease, and beige indicates no change. Chart showing mean annual air temperature for Nome, Alaska. 2009, 1949?1976, 1976, and 1977?2009.

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UAF installs ocean acidification buoy in Alaska waters; first such in high-latitude coastal sea

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A new set of buoys in Alaska waters will help scientists understand how climate change may be affecting the pH level of northern seas. University of Alaska Fairbanks (UAF) researchers placed the first buoy last month. This is the first dedicated ocean acidification mooring to be deployed in a high-latitude coastal sea.

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Universal Hydrogen secures additional $62M in financing to accelerate first test flight of hydrogen-powered regional aircraft to 2022

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Universal Hydrogen has secured a substantial commercial order pipeline, including previously-announced LOIs from Icelandair, Air Nostrum, Ravn Alaska, and ASL Aviation Holdings. The gravity of climate change is forcing a tipping point in the green hydrogen ecosystem of producers, distributors, and consumers.

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

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Clearly, methane hydrate has a significant role in the global carbon cycle, and it is gaining recognition as an important player in global climate processes and climate change. DOE-Alaska cooperation on unconventional resources. Response of Gas Hydrate Reservoirs to Induced Change. —DE-FOA-0000891.

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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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The study is published in the second issue of Nature Climate Change. The research team, led by Carnegie’s Scott Loarie, is the first to quantify the direct effects on the climate from sugarcane expansion in areas of existing crop and pastureland of the cerrado, in central Brazil. —Greg Asner. Loarie, David B.

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BOEMRE releases study on incorporating climate effects into oil-spill risk analysis for Arctic

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The Bureau of Ocean Energy Management, Regulation and Enforcement (BOEMRE) released a new report evaluating how climate change may affect the environmental conditions measured and used in mathematical modeling for oil-spill trajectory analysis in the Arctic region. —BOEMRE Director Michael R. Click to enlarge.

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