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Great Barrier Reef hit by third major bleaching event in five years

Breaking News EmailsGet breaking news alerts and special reports. The news and stories that matter, delivered weekday mornings.SUBSCRIBEMarch 23, 2020, 7:48 PM UTCBy Denise ChowThe Great Barrier Reef is experiencing its most widespread coral bleaching event, according to scientists who say record warm temperatures and warming oceans are threatening its fragile corals.The entire Great Barrier Reef and some of its surrounding areas are facing an unprecedented period of heat stress in what is the third major bleaching event in only the past five years. Heat-induced bleaching can occur periodically, but scientists say climate change is causing the destructive events to happen more frequently, which is particularly troubling because corals don't ...
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