(Bloomberg) It's no longer a question of whether 2016 will be the hottest on record, but by how much. The El Niño warming pattern in the Pacific Ocean is over, but unprecedented heat remains across the planet. Last month was the hottest May in 137 years of record keeping, according to new reports from NASA and the National Oceanic and Atmospheric Administration (NOAA). In an age of rising temperatures, monthly heat records have become all too common: May was the 13th consecutive month to set a new record, according to NOAA data released on Wednesday. ... read more at Bloomberg.com