Quote:
Originally Posted by User Name
The scientific consensus is clearly expressed in the reports of the Intergovernmental Panel on Climate Change (IPCC). Created in 1988 by the World Meteorological Organization and the United Nations Environmental Programme, IPCC's purpose is to evaluate the state of climate science as a basis for informed policy action, primarily on the basis of peer-reviewed and published scientific literature. In its most recent assessment, IPCC states unequivocally that the consensus of scientific opinion is that Earth's climate is being affected by human activities: "Human activities ... are modifying the concentration of atmospheric constituents ... that absorb or scatter radiant energy. ... [M]ost of the observed warming over the last 50 years is likely to have been due to the increase in greenhouse gas concentrations".
BEYOND THE IVORY TOWER: The Scientific Consensus on Climate Change -- Oreskes 306 (5702): 1686 -- Science
Oh, and BTW, your "petition" took 10 years to compile and is signed by a bunch of "scientists" who have nothing to do with studying climate change. On a global scale, 30,000 signatures probably represents less than 1% of the world's scientists.
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Consensus in science is NOT science.It is in politics. The earth warms and it cools period. Ice sheets once covered North America yet now are gone. Where did they go? Did the earth warm?

A coal mine is in the Arctic. Plants were once there. Now ice.
We can't get a 7 day weather forecast right yet the computer models for the next 100 years show GW is a fact?
And I love how the UN goes to a warm places to discuss GW, make that climate change. The new buzz word now.
Al Gore rides around in a G 5, buying carbon credits from a company he just happens to have a financial interest in, to off set the pollution.
It's all about green all right, the dollar.
Grassroot Institute of Hawaii
Roy W. Spencer: Global Warming and Nature's Thermostat
Well all have our opinion and it is good to look at both sides.