Semi Truths A highly irregular weblog dedicated to Truth, Justice, and American Cheese…!

January 25, 2008

Earth Out Of Balance

Filed under: Climate — semi @ 5:48 pm

Four years ago, the American Geophysical Union released a statement about human impact on the global environment. The 744 word document began with the sentence “Human activities are increasingly altering the Earth’s climate.”

In a revised position statement issued today, the society offered additional evidence that recent changes in climate are attributable to human activity. The terse 482 word document begins with much stronger statement “The Earth’s climate is now clearly out of balance and is warming.”

The 50,000-member strong organization posits that we will need to cut emissions of greenhouse gases globally by more than 50 percent to avoid warming the planet by 2 degrees Celsius. Much of the statement matches conclusions drawn by the Intergovernmental Panel on Climate Change, which released its multivolume report last year and later shared the Nobel Peace Prize with Al Gore. In fact, the society notes that many of its members helped write the panel’s report.
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