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The world gets a wake-up call from Paris that climate change is man-made and likely will worsen without emissions curbs
For the first time, a panel of climate experts has confirmed that global warming is occurring and that it is "very likely"—90 percent certain—man-made. The Intergovernmental Panel on Climate Change (IPCC), a working group of some 3,000 delegates from 113 countries, today issued its final report here on the state of climate change -- and the findings were grim. "There can be no question that the increases in these greenhouse gases are dominated by human activity," says Susan Solomon, co-chair of the working group and an atmospheric scientist with the U.S. National Oceanic and Atmospheric Administration (NOAA). "Warming of the climate system is now unequivocal. That is evident in observations of air and ocean temperature as well as rising global mean sea level."
