FACTBOX - U.N. climate panel report's key findings
REUTERS - Here are key findings on climate change from a Feb. 2 report by the U.N. Intergovernmental Panel on Climate Change, which groups 2,500 researchers from more than 130 nations.
EVIDENCE OF HUMAN CAUSES
* "Most of the observed increase in globally averaged temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic (human) greenhouse gas concentrations," it says. The IPCC says "very likely" means at least a 90-percent probability.
* "The level of confidence that humans are causing global warming has increased a lot," report author Peter Stott said.
TEMPERATURE INCREASES
* It is very likely that extremes such as heat waves and heavy rains will become more frequent.
* "For the first time we have a best estimate of what we can achieve if we keep emissions levels lower," said report chair Susan Solomon. Continued...
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