30 Jul '12, 1pm

(Koch-funded) scientist changes opinion, finds warming due to humans (including Kochs)

(Koch-funded) scientist changes opinion, finds warming due to humans (including Kochs)

These findings are stronger than those of the Intergovernmental Panel on Climate Change, the United Nations group that defines the scientific and diplomatic consensus on global warming. … Although the I.P.C.C. allowed for the possibility that variations in sunlight could have ended the “Little Ice Age,” a period of cooling from the 14th century to about 1850, our data argues strongly that the temperature rise of the past 250 years cannot be attributed to solar changes. … How definite is the attribution to humans? The carbon dioxide curve gives a better match than anything else we’ve tried. Its magnitude is consistent with the calculated greenhouse effect — extra warming from trapped heat radiation. These facts don’t prove causality and they shouldn’t end skepticism, but they raise the bar: to be considered seriously, an alternative explanation must match the data at least ...

Full article: http://grist.org/news/koch-funded-scientist-changes-opini...

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Ever wondered what it's like to be a scientist? Find out at the 'Scientist for a Day' Exhibition (Science Centre)!!

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