Great Barrier Reef sees record coral deaths this year

CANBERRA, Australia (AP) — Warming oceans this year have caused the largest die-off of corals ever recorded on Australia’s Great Barrier Reef, scientists said Tuesday.
The worst-affected area is a 700-kilometer (400-mile) swath in the north of the World Heritage-listed 2,300-kilometer (1,400-mile) chain of reefs off Australia’s northeast coast, said the Australian Research Council Centre of Excellence for Coral Reef Studies.
The center, based at James Cook University in Queensl