A new study finds polar bears in the wild have higher metabolic rates than previously thought, and as climate change alters their environment a growing number of bears are unable to catch enough prey to meet their energy needs.
It is “extremely likely” that humans are driving warming on Earth since the 1950s. That statement — which indicates a 95 to 100 percent confidence in the finding — came in a report released November 3 by the U.S. Global Change Research Program. This interagency effort was established in 1989 by presidential initiative to help inform national science policy.
Climate change is real, and it's coming. The leaders of 150 nations, along with thousands of representatives of nearly 200 countries, meet today in Paris for the 20th time to try and come up with a master plan to stave off the global catastrophe ahead.