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Study finds perennial biofuel crops’ water consumption similar to corn

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Evapotranspiration (ET) refers to the sum total of water lost while the plant is growing, either from evaporation through the plant stem itself (a process called “transpiration”), or from water evaporated off of the plant’s leaves or the ground. —Hamilton et al.

Water 150
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Ocean Salinities Show an Intensified Water Cycle; Large Salinity Changes Will Eventually Influence Ocean Circulation

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A new study co-authored by CSIRO (Australia) scientists Paul Durack and Dr. Susan Wijffels finds evidence that the world’s water cycle has already intensified. The stronger water cycle means arid regions have become drier and high rainfall regions wetter as atmospheric temperature increases. Durack and Wijffels. ºC since 1950.

Water 230
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Copenhagen Diagnosis Released, Detailing Accelerating Indicators of Climate Change In Last Three Years

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A team of 26 climate scientists from Australia, Austria, Canada, France, Germany, Switzerland, the United Kingdom, and the United States have published the “Copenhagen Diagnosis”, an interim synthesis report on developments in climate change science from mid-2006 to the present day.

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New Report Concludes That Real Costs of Adapting to Climate Change Will Likely Be At Least 2-3X Greater Than Current Estimates

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Representation of damage from climate change avoided by adaptation, and damage not be adapted to (‘residual damage’) over the longer term. Parry co-chaired the IPCC working group on impacts, vulnerability and adaptation between 2002 and 2008. Assessing the costs of adaptation to climate change”. Source: “Assessing the costs.”

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Northern India Rapidly Depleting its Groundwater Due to Excessive Irrigation; Major Water Crisis Looms If Trend Continues

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Northern India, probably the most heavily irrigated region in the world, is rapidly depleting its groundwater, according to a new study by researchers from the National Geophysical Research Institute, Hyderabad (CSIR), India; the University of Colorado, Boulder; and the US National Center for Atmospheric Research. Tiwari et al. Tiwari et al.

Water 170
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Perspective: The Role of Offsets in Climate Change Legislation

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This article shows that including offsets in climate change legislation would likely make an emissions program more cost-effective by: (a) providing an incentive for non-regulated sources to generate emission reductions; and (b) expanding emission compliance opportunities for regulated entities. Assuming the offset is legitimate—i.e.,

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Study finds global carbon emissions reached 10 billion tonnes in 2010

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Published in the journal Nature Climate Change , the new analysis shows fossil fuel emissions increased by 5.9% Rebounding from the global financial crisis of 2008-09 when emissions temporarily decreased, last year’s high growth was caused by both emerging and developed economies. Nature Climate Change doi: 10.1038/nclimate1332.

2010 239