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2017-07-13. Climate-Altering Gases Spiked in 2016, Federal Scientists Report.

posted Jul 17, 2017, 6:18 AM by Alan Gould
By Lisa Friedman, The New York Times. For GSS Climate Change chapter 6. Excerpt: The climate-warming influence of greenhouse gas emissions rose more quickly last year than it has in nearly three decades, an increase scientists attributed in part to a strong El Niño weather pattern, the National Oceanic and Atmospheric Administration reported this week. The Annual Greenhouse Gas Index also shows that the warming ability of global emissions of greenhouse gases, primarily driven by the burning of fossil fuels and other human activity, increased 40 percent between 1990 and 2016, a significant measure of man’s influence on the climate. Unlike most news releases accompanying the index during the Obama administration, NOAA’s announcement this year does not directly link human activity to emissions. “The role of greenhouse gases on influencing global temperatures is well understood by scientists, but it’s a complicated topic that can be difficult to communicate,” NOAA officials said in releasing the index. That is a notable shift from last year’s release, in which NOAA declared that “human activity has increased the direct warming effect of carbon dioxide.” In 2014 the agency, which is housed in the Commerce Department, said “the warming influence from human-emitted gases continues to increase.” .... https://www.nytimes.com/2017/07/13/climate/greenhouse-gases-spike-noaa-global-warming.html
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