August 1, 2018

As part of the State of the Climate in 2017 report, experts describe a record three-year-long episode of mass coral bleaching at tropical reefs worldwide. Previous global bleaching events required the presence of El Niño, but the devastating 2014–2017 event began before El Niño emerged and continued long after it ended—implicating human-caused global warming in the mass die offs.

December 2, 2010

Mark Eakin, a coral reef specialist and Coordinator of NOAA’s Coral ReefWatch program, discusses coral bleaching in the Caribbean in 2010.

October 7, 2010

[From the archives] Facing the possibility of a massive coral bleaching event in the Caribbean Sea in late summer and early fall 2010, a USGS biologist based at U.S. Virgin Islands National Park hopes that the season won't have the same devastating outcome as a similar event in 2005.

September 26, 2017

Record high sea levels and rainfall extremes have buffeted Hawaii and other U.S. Pacific islands this year.