• 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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  • Global Warming May Be Normal At This Point In Glacial Cycle

    • Date: 03/03/10

    German and Russian scientists say that it is normal for an interglacial period like the one just ending to finish with one or more brief – in geological terms – spells of warming before the glaciers return. According to boffins based at the Helmholtz-Zentrum für Umweltforschung (UFZ) and at the Russian Academy of Sciences, in […]

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  • Global Warming Didn’t Kill The Golden Toad

    • Date: 02/03/10

    The golden toad was last seen in 1989 in the Costa Rican cloud forest of Monteverde—and 5 years later, its disappearance was the first extinction to be blamed on humanmade global warming. New evidence, however, suggests that humans may not have been at fault after all. Here’s the current line on what drove the golden […]

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  • IPCC’s Climate Link To Hurricanes In Doubt

    • Date: 28/02/10

    Research by hurricane scientists may force the UN’s climate panel to reconsider its claims that greenhouse gas emissions have caused an increase in the number of tropical storms. The benchmark report from the Intergovernmental Panel on Climate Change (IPCC) said that a worldwide increase in hurricane-force storms since 1970 was probably linked to global warming. […]

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  • Sea Level Shenanigans

    • Date: 25/02/10

    Last year the Met Office, the Natural Environmental Research Council and the Royal Society released a joint pre-Copenhagen Conference statement that included as one of its five main scientific points: “There is increasing evidence of continued and accelerating sea-level rises around the world.” At around the same time the Royal Society also said in a […]

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  • Past High Temps Not Caused By CO2

    • Date: 13/02/10

    A paper published in the journal Science shows that polar ice sheets were smaller and global temperatures were at least as high (or even higher) 81,000 years ago than they are today, even though the concentration of carbon dioxide in the atmosphere was much lower. At the height of an ice age, immense volumes of […]

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