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Study Finds Stratospheric Water Vapor Is An Important Driver of Decadal Global Surface Climate Change

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Earlier observations from satellites and balloons suggest that stratospheric water vapor probably increased between 1980 and 2000, which would have enhanced the decadal rate of surface warming during the 1990s by about 30% compared to estimates ignoring this change, according to the authors. —Solomon et al.

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Study casting doubt on GHG benefits of corn stover ethanol draws sharp criticism by other researchers; Liska responds

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A study published earlier this year in the journal Nature Climate Change that cast doubt on whether biofuels produced from corn residue could meet federal mandates for cellulosic biofuels to reduce greenhouse gas emissions by 60% compared to gasoline ( earlier post ) has drawn critical response published as correspondence in the same journal.

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US and Swiss researchers model two very high carbon emissions scenarios

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US and Swiss researchers have modeled two climate scenarios with very high carbon emissions—above the A1F1 scenario, currently representing the upper bound of predicted carbon emissions in the IPCC work—to investigate the resulting climate change implications. —Sanderson et al.

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Europe/US team: transitioning to a low-carbon world will create new rivalries, winners and losers

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In an opinion piece in the journal Nature , a team from the US and Europe suggests that the transition to a low-carbon world will create new rivalries, winners and losers, and that it is therefore necessary to put geopolitics at the heart of debates about the energy transition. abating carbon will create losers. Big green deal. ?This

Carbon 207
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NOAA study: Increase in stratospheric aerosols has offset some recent climate warming

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watts per square meter warming effect from the carbon dioxide increase during that same period. The team concluded that models miss an important cooling factor if they don’t account for the influence of stratospheric aerosol, or don’t include recent changes in stratospheric aerosol levels. —John Daniel. Solomon, J. Daniel, R.

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Researchers Predict Permafrost Thaw Will Intensify Climate Change More Quickly Than Previously Thought; Melting of Greenland Icesheet Could Drive More Water Than Previously Thought to North American Northeast

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As areas with permafrost thaw and more old carbon is released, the carbon balance changes. Permafrost thaw will make potentially significant contributions to atmospheric concentrations of carbon more rapidly that previously thought, according to a new study published in the 28 May issue of the journal Nature. Vogel et al.

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Study: new international agreements needed to ensure sustainable supply of minerals and metals for low-carbon energy tech

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A study by an international team of researchers warns that the global transition to global low-carbon energy technology could be at risk unless new international agreements and governance mechanisms are put in place to ensure a sustainable supply of rare minerals and metals. Their paper is published in Science. Sovacool et al.