Steam rises from the stacks of the coal-fired Jim Bridger Power Plant outside Point of the Rocks, Wyo., in March 2014. Jim Urquhart/Reuters/Landov hide caption

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Using Technology To Keep Carbon Emissions In Check

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Young boys in Beijing check a smartphone in front of their home near a coal-fired power plant. As China's economy slowed in 2015, its industrial use of coal likely dropped, too, researchers say. That may be behind the slight drop in global CO2 emissions. Kevin Frayer/Getty Images hide caption

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Small, Surprising Dip In World's Carbon Emissions Traced To China

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Las Cañadas is an ecological cooperative in Veracruz, Mexico that's working to sequester carbon and mitigate climate change while producing food, materials, chemicals and energy. Courtesy of Ricardo Romero/Chelsea Green Publishing hide caption

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An oil refinery is pictured in the southern Sydney suburb of Kurnell earlier this week. Australia's Senate voted on Thursday to scrap the country's carbon tax and plans for emissions trading — a major victory for conservative Prime Minister Tony Abbott. Jason Reed/Reuters/Landov hide caption

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Wheat fields like this one could yield wheat with less zinc and iron in the future if they are exposed to higher levels of CO2, according to the journal Nature. Zaharov Evgeniy/iStockphoto.com hide caption

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Less Nutritious Grains May Be In Our Future

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Vincent Schaefer, one of the General Electric scientists who worked on Project Cirrus in the 1940s, makes snow in the lab using dry ice. General Electric hide caption

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