• Speleothems Show Warmer Past

    • Date: 01/06/10

    Mineral deposits formed within the generally stable environment of caves are called speleothems (Greek for “cave deposit”). They provide an archive of climate variations from which indications of mean temperature, rainfall and sometimes surface vegetation data can be extracted on timescales from the subannual to the millennial. They can be remarkably well preserved for millions […]

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  • Are The World’s Oceans Warming?

    • Date: 26/05/10

    It is indisputable that the world has warmed in the past 150 years but how that warming relates to man’s activities is debatable given the irregularity of that warming and the influence of natural cycles. The post 2000 global temperature standstill is particularly problematic. It is said by some that a more robust demonstration of […]

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  • Malaria: Minimal Role Of Climate Change

    • Date: 19/05/10

    A lot has been written about the relationship between malaria and climate change to the extent that many articles about the topic were in little doubt that as the global temperature increases so would the extent and severity of the disease. This possibility makes the interrelationship between malaria and climate change a major, global public […]

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  • Scientists Forecast Decades Of Ash Clouds

    • Date: 17/05/10

    The Icelandic eruption that has caused misery for air travellers could be part of a surge in volcanic activity that will affect the whole of Europe for decades, scientists have warned. They have reconstructed a timeline of 205 eruptions in Iceland, spanning the past 1,100 years, and found that they occur in regular cycles — […]

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  • Greenland Warmer 1000 Years Ago

    • Date: 10/05/10

    A recent paper by Vinther et al in Quaternary Science Reviews looks at ice cores from the Greenland ice cap and uses them to determine the past climate of the region. Two things are worth noting about this paper. The first is that it is yet more evidence that the Medieval Warm Period (MWP) of […]

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  • Witnesses of Earlier Climate Change

    • Date: 04/05/10

    The retreat of the Alpine glaciers is considered to be dramatic and threatening. Wood and peat findings, however, prove that the Alps were generally greener in recent millennia than today. The results of a scientist’s research are tempering the fears about global warming. Glaciologist Christian Schlüchter was shaken when he first recognized what his own […]

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  • Greenhouse Gas Emissions May Have Averted Climate Catastrophe

    • Date: 29/04/10

    According to a new study just published in the journal Geophysical Research Letters, the global climate would be about 3 deg C colder than present were it not for man-made carbon dioxide and methane emissions. If this is correct then in the absence of Anthropogenic Global Warming we would have been experiencing conditions like that […]

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  • Minuscule Seal Level Rise From Floating Ice Melt

    • Date: 28/04/10

    Using new and published satellite altimeter observations of the Antarctic ice shelf and Arctic sea ice researchers at the University of Leeds have provided the first estimate of changes in the quantity of ice floating in the world’s oceans and the consequent change in sea level. Overall the researchers find that increases in sea level […]

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