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To protect the health and economic well-being of current and future generations, we must reduce our emissions of heat-trapping gases by using the technology, know-how, and practical solutions already at our disposal. ucsusa.org/global_warming/ (Union of concerned scientests).
Findings of the Intergovernmental Panel on Climate Change (IPCC), Includes 2,500 scientific expert reveiwers. The report finds that it is “very likely” that emissions of heat-trapping gases from human activities have caused “most of the observed increase in globally averaged temperatures since the mid-20th century.” “Very likely” means between 90 and 95%.
Findings of the Intergovernmental Panel on Climate Change (IPCC), Includes 2,500 scientific expert reveiwers. The report finds that it is “very likely” that emissions of heat-trapping gases from human activities have caused “most of the observed increase in globally averaged temperatures since the mid-20th century.” “Very likely” means between 90 and 95%.