Rising global temperatures in 2016 set a record for the third year in a row, as federal climate experts rated it the warmest year world-wide since modern record keeping began. In a new federal climate report, researchers from the National Aeronautics and Space Administration and the National Oceanic and Atmospheric Administration, which independently track annual climate trends for the federal government, said Wednesday that global land and sea surface temperatures were boosted by a powerful El Niño current in the Pacific…