From Hawaii to the Florida Keys, the surprising intensity of coral heat stress in 2014 has scientists wondering what to expect in 2015, when El Niño is forecasted to finally develop.
Coral reefs are important and productive ocean ecosystems, providing shelter and protection for diverse sea life. NOAA's latest seasonal outlook for coral bleaching shows potential for bleaching along the Pacific coast of Mexico and islands in the equatorial central Pacific Ocean.
Not a Mad Lib! Our blogger lays out some of the evidence for and against the notion that volcanic eruptions can trigger El Niño.
It's been a tough year for the globe's coral and the scientists who use coral to paint a picture of ENSO back thousands of years.