global-warming - Google News
World's CO2 levels hit record high, U.N. reports - Dallas Morning News
Dallas Morning News | World's CO2 levels hit record high, U.N. reports Dallas Morning News The heat-trapping gas blamed for the largest share of global warming rose to global concentrations of 396 parts per million last year, the World Meteorological Organization said in an annual report. That's an increase of 2.9 ppm from the previous year ... |