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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: longnshort who wrote (1077055)	7/6/2018 9:32:06 PM
From: J_F_Shepard	Respond to of 1578393

But you missed the big news on coral reefs..... Great Barrier Reef in Danger of Mass Coral Bleaching Events Every Two Years The Great Barrier Reef—Australia's remarkable but imperiled natural wonder—is under risk of repeat coral bleaching events unless greenhouse gas emissions are slashed, Australia's Climate Council warned Thursday. The new report, Lethal Consequences: Climate Change Impacts on the Great Barrier Reef, determined that by 2034, the extreme ocean temperatures that led to the mass bleaching events of 2016 and 2017 may occur every two years if emissions continue on current trends. Climate Councilor and ecologist Lesley Hughes explained that the unprecedented mass coral bleaching in 2016, which killed off nearly a third of the reef's coral, is occurring more often. "In the 1980's, we would see a 27-year gap on average in between bleaching events around the world. Now, they're hitting every six years on average," she said, as quoted by the Australian Associated Press. Under continued heat stress, corals expel the algae that live in their tissues and give them their stunning colors, leaving behind a stark white skeleton. "This is not sustainable because repeated bleaching events will continuously set back recovery," the report states. The new report finds that the damage to the reefs may be irreversible and that coral mortality has led to a decline in the diversity of fish species and in the number of juvenile fish settling on the reef. The researchers urge drastic and immediate reduction of greenhouse gas emissions, a major driver of global warming. The report says that limiting temperature rise above pre-industrial levels to no more than 1.5°C—the ambitious target set by the 2015 Paris climate agreement—is critical for the survival of reefs worldwide. "Doing anything other than urgently and dramatically slashing our nation's rising pollution levels will essentially sign the death certificate for the Reef as we know it today," said Martin Rice, acting chief executive of the Climate Council in a statement. ecowatch.com