WASHINGTON, United States (AFP) — The planet’s coral reefs are likely facing warmer than normal water for an unprecedented third year in a row, extending what is already the longest coral bleaching event on record, US observers said Monday. The global bleaching event began in mid-2014 with global warming and a particularly intense El Nino phenomenon resulting in higher than normal ocean temperatures, according to the National Oceanographic and Atmospheric Administration. NOAA presented its grim […]