30 May 2007

Global Warming Inventor Strikes Again

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“The sky is falling, the sky is falling,” warns James Hansen, the Iowa-educated physicist who has successfully parleyed the astute recognition of a slightly warmer recent weather pattern into a chair at Columbia.

Repent, sinners. Give up your material comfort and prosperity (or, at the very least, pay weregeld to Government and Al Gore), or the big, bad environmentalist bogeyman will punish you with catastrophe unimaginable.

ABC News:

Even “moderate additional” greenhouse emissions are likely to push Earth past “critical tipping points” with “dangerous consequences for the planet,” according to research conducted by NASA and the Columbia University Earth Institute.

With just 10 more years of “business as usual” emissions from the burning of coal, oil and gas, says the NASA/Columbia paper, “it becomes impractical” to avoid “disastrous effects.”

The study appears in the journal Atmospheric Chemistry and Physics. Its lead author is James Hansen, director of NASA’s Goddard Institute for Space Studies in New York.

The forecast effects include “increasingly rapid sea-level rise, increased frequency of droughts and floods, and increased stress on wildlife and plants due to rapidly shifting climate zones,” according to the NASA announcement. ….

The new NASA release emphasizes the danger of “strong amplifying feedbacks” pushing Earth past “dangerous tipping points.”

Scientists have been warning for several years that such tipping points are the greatest threat from manmade global warming — and what makes it potentially catastrophic for civilization.

As the tipping points pass, “there is an acceleration, potentially uncontrollable, of emissions of vast natural stores of greenhouse gas,” according to Hansen, who reviewed the study for ABC News today.

Hansen explains that dangerous feedback loops are being tracked in various regions of the planet.

Many studies have reported feedback loops already observed in thawing tundra, seabeds and drying forests.

This malarkey would be a lot more impressive if Mr. Hansen could actually tell me how much it’s going to rain next month.


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