• Tree-Rings ‘Overestimate Early-19th Century Summer Cooling By 1.5 °C’

    • Date: 11/04/15
    • U Büntgen et al., Journal of Climate

    Annually resolved and absolutely dated tree-ring chronologies are the most important proxy archives to reconstruct climate variability over centuries to millennia. However, the suitability of tree-ring chronologies to reflect the ‘true’ spectral properties of past changes in temperature and hydroclimate has recently been debated. At issue is the accurate quantification of temperature differences between early-19th […]

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  • Arctic Ice Decline: A New “Pause?”

    • Date: 31/03/15
    • Dr David Whitehouse

    The decline in Arctic sea ice has become an iconic symbol of global warming. You don’t have to look far on the internet to find predictions by scientists, campaigners and commentators about how soon the region will become ice free in the summer. Unfortunately for those predictions, the Arctic ice has not been listening. The Arctic […]

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  • Arctic Ice Extent: A Reality Check

    • Date: 29/03/15
    • Paul Homewood, Not A Lot Of People Know That

    For anybody alarmed at record low Arctic ice claims, it is time to put things into perspective. Arctic ice extent is certainly below average for this time of year, but this is largely due to the lack of ice in the Sea of Okhotsk. This has no effect on the overall state of Arctic ice, […]

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  • Rapid Recovery In Arctic Sea Ice Volume Back To 2006 Levels

    • Date: 24/03/15
    • Paul Homewood, Not A Lot Of People Know That

    Despite all of the headlines recently about “record low Arctic ice”, sea ice extent has actually been regrowing for the last two weeks, and is nearly back to where it was on 22nd February.      http://arctic-roos.org/observations/satellite-data/sea-ice/observation_images/ssmi_ice_area.png Most of the shortfall against the 1981-2010 average is in the Sea of Okhotsk, which is utterly irrelevant […]

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  • No Link Between Cyclone Pam and Climate Change

    • Date: 17/03/15
    • Dr David Whitehouse

    Despite what projections there may be for the future, the consensus among experts regarding Cyclone Pam is: there is no clear evidence for a link between the cyclone and climate change. The world is shocked by the devastation caused by not quite record breaking Cyclone Pam on Vanuatu. Its President Baldwin Lonsdale said: “We see […]

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  • Global Temperature “Pause” To End Dramatically, New Paper Claims

    • Date: 12/03/15
    • Dr David Whitehouse

    You have to be very careful with averages, they are not as simple as you might think. That thought was uppermost in my mind when I was reading a recent paper in Nature Climate Change. It had been written up by the Press Association (PA) and repeated by the Guardian, I guess that its multitude […]

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  • BBC: Climate Change By The Numbers

    • Date: 04/03/15
    • Dr David Whitehouse

    The BBC has just aired a documentary called “Climate Change By The Numbers” in which three statisticians tackle the thinking behind three important numbers associated with climate change – 1) the Earth’s temperature increase since 1880 which is 0.85°C, 2) the idea that scientists are 95% certain about it all, and 3) the 1 Trillion […]

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  • Antarctic Sea Ice Did The Exact Opposite Of What Models Predicted

    • Date: 02/03/15
    • Michael Bastasch, The Daily Caller

    Climate models can be good tools for predicting future sea ice levels — unless, of course, they are completely wrong. In the case of Antarctica, the climate models were dead wrong, according to a new study by Chinese scientists published in the journal Cryosphere. The study found that most climate models predicted Antarctic sea ice coverage would shrink as […]

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