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What endangers one of world's most vibrant Hawaii's coral reefs

Just four years after a major marine heat wave killed nearly half of Hawaii's coral reefs, researchers are predicting another round of hot water will cause some of the worst coral bleaching the region has ever seen. Here's what is endangering the world's most abundant and vibrant coral reefs:

India TV News Desk India TV News Desk
Pahoa Updated on: September 25, 2019 16:11 IST

Early signs of bleaching

India Tv - chunk of bleached, dead coral shown on a wall near a bay on the west coast of the Big Island

Image Source : AP

This Sept. 13, 2019 photo shows a chunk of bleached, dead coral shown on a wall near a bay on the west coast of the Big Island near Captain Cook, Hawaii. 

Researchers using high-tech equipment to monitor Hawaii's reefs are seeing early signs of bleaching in Papa Bay and elsewhere caused by a marine heat wave that has sent temperatures soaring to record highs for months. June, July and parts of August all experienced the hottest ocean temperatures ever recorded around the Hawaiian Islands. So far in September, oceanic temperatures are below only those seen in 2015.

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