Add Yahoo as a preferred source to see more of our stories on Google. The amount of carbon dioxide detected in the atmosphere hit a record high in April. CO2 levels averaged about 431 parts per ...

The levels of the crucial heat-trapping gases in the atmosphere reached historic highs last year, growing at near-record fast paces, according to the U.S. National Oceanic and Atmospheric ...

Carbon dioxide is accumulating in the atmosphere faster than ever—accelerating on a steep rise to levels far above any experienced during human existence, scientists from NOAA and the Scripps ...

Global heating contributes to record, with a warmer atmosphere able to hold more water, scientists say ...