• Urban ‘green’ spaces may contribute to global warming

    • Date: 30/03/10

    Challenging the notion that urban “green” spaces help counteract greenhouse gas emissions, new research has found — in Southern California at least — that mowing and other lawn maintenance emit almost as much or more greenhouse gases than the well-tended grass extracts from the air. Turfgrass lawns remove carbon dioxide from the atmosphere through photosynthesis […]

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  • Another Climate Scare Laid To Rest

    • Date: 27/03/10

    Europe can rest easy. A new analysis of data from satellites and drifting sensors finds no evidence that the Atlantic portion of the “Conveyor Belt”—the great warm current flowing ultimately from the Pacific toward the frigid far North Atlantic—is slowing. Scientists and the public had worried that global warming might be shutting down the conveyor […]

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  • NASA Study Finds Atlantic ‘Conveyor Belt’ Not Slowing

    • Date: 26/03/10

    New NASA measurements of the Atlantic Meridional Overturning Circulation, part of the global ocean conveyor belt that helps regulate climate around the North Atlantic, show no significant slowing over the past 15 years. The data suggest the circulation may have even sped up slightly in the recent past. The findings are the result of a […]

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  • Good News: Global Pace Of Deforestation Slows

    • Date: 25/03/10

    The worldwide pace of deforestation has slowed down for the first time on record, the UN Food and Agriculture Organization (FAO) said on Thursday. On a total forest area of four billion hectares, the world lost 13 million hectares of forests per year between 2000 and 2010 — down from around 16 million in the […]

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  • Sun Will Not Save Us From Global Warming

    • Date: 16/03/10

    This fairly straightforward, if not obvious, research paper published in Geophysical Research Letters, has attracted a modest amount of media comment mostly as a result of the press release associated with it. Many kinds of observations show that the Sun is in the deepest and longest activity minimum for almost a century. Satellite measurements confirm […]

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  • New technique shows Roman Warm Period Warmer than Present Day

    • Date: 10/03/10

    A promising new technique to reconstruct past temperatures has been developed by scientists at the University of Saskatchewan, Canada and Durham University, England, using the shells of bivalve mollusks. Writing in the Proceedings of the National Academy of Science the scientists say that oxygen isotopes in their shells are a good proxy measurement of temperature […]

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  • Alaskan Glaciers Not Melting As Fast As Once Thought

    • Date: 08/03/10

    The melting of glaciers is well documented, but when looking at the rate at which they have been retreating, a team of international researchers steps back and says not so fast. Previous studies have largely overestimated mass loss from Alaskan glaciers over the past 40-plus years, according to Erik Schiefer, a Northern Arizona University geographer […]

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  • The Methane Scare In Context

    • Date: 06/03/10

    One of the great challenges in assessing the meaning of changes in Arctic climate and other environmental conditions is putting today’s observations in long-term context. This is as true for the bubbling emissions of methane from the frozen, but warming, sea bed as for sea ice around the North Pole. Two recent studies of methane […]

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