The Economist Provides Readers With Erroneous Information About Arctic Sea Ice | Watts Up With That?

Climate sensitivity is defined as the average increase of the temperature of the Earth that you get (or expect) by doubling the amount of CO2 in the atmosphere – from 0.028% in the pre-industrial era to the future value of 0.056% (expected around 2100).

Recall that the contribution of carbon dioxide to the warming is expected because of the “greenhouse” effect and the main question is how large it is. The greenhouse effect is nothing else than the absorption (of mostly infrared radiation emitted by the Earth) by the “greenhouse” gases in the atmosphere, mainly water vapor – but in this case we are focusing on carbon dioxide, one of the five most important gases causing this effect after water vapor.

WUWT regular “Just The Facts”:

A June 16th article in the Economist “The vanishing north” states that;

A June 16th article in the Economist “The vanishing north” states that;

“Between now and early September, when the polar pack ice shrivels to its summer minimum, they will pore over the daily sea ice reports of America’s National Snow and Ice Data Centre. Its satellite data will show that the ice has shrunk far below the long-term average. This is no anomaly: since the 1970s the sea ice has retreated by around 12% each decade. Last year the summer minimum was 4.33m square km (1.67m square miles)—almost half the average for the 1960s.

The Arctic’s glaciers, including those of Greenland’s vast ice cap, are retreating. The land is thawing: the area covered by snow in June is roughly a fifth less than in the 1960s. The permafrost is shrinking. Alien plants, birds, fish and animals are creeping north: Atlantic mackerel, haddock and cod are coming up in Arctic nets. Some Arctic species will probably die out.

Perhaps not since the 19th-century clearance of America’s forests has the world seen such a spectacular environmental change. It is a stunning illustration of global warming, the cause of the melt. It also contains grave warnings of its dangers. The world would be mad to ignore them.”

The Economist Provides Readers With Erroneous Information About Arctic Sea Ice | Watts Up With That?.

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