Coral bleaching has become a wide spread issue among our oceans and has destroyed large amounts of coral reefs. It is now the most widespread in recorded history "and is likely to continue for an unprecedented third year, according to the U.S. weather agency."
National Oceanographic and Atmospheric Administration have stated that the warm ocean temperatures are going to cause "bleaching in the northern hemisphere, including Hawaii, Micronesia, the Florida Keys and Puerto Rico."
"About 93% of the reefs on Australia's Great Barrier Reef have been affected and almost a quarter of the reef on the 2,300km stretch is now dead."
Both Hawaii and the Florida Keys have been affected by coral bleaching in mid-2014 and mid-2015. Reefs around the Maldives,Western Australia and the rest of the Pacific, Red Sea and the Caribbean have also been affected by severe bleaching.
Coral begins to bleach when water temperatures are warmer than normal for more than two weeks. "Climate change has caused global sea surface temperatures to rise by about 1C over the past century, pushing corals closer to their bleaching threshold." El NiƱo also caused an increase in temperature.
Coral bleaching is not going away anytime soon and the warmer ocean temperatures are only increasing the amount of coral that is being bleached.
Coral Bleaching Event Now Biggest In History-And About To Get Worse (The Guardian Article): https://www.theguardian.com/environment/2016/jun/21/coral-bleaching-event-now-biggest-in-history-and-about-to-get-worse
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