What to do about Australia’s Great Barrier Reef?
Reports coming across my desk as this issue was going to press – documenting the unprecedented decline of the world’s largest living organism – make for depressing reading.
An aerial survey of the 2,300km reef – by the Australian Research Council’s Centre of Excellence for Coral Reef Studies – shows that 1,500km, or roughly two-thirds of the Reef, have now been devastated by severe coral bleaching. Only the southern third remains unscathed.
Queensland scientists put the blame on record-breaking temperatures, and say a 1oCelsius rise has caused four bleaching events in the past 19 years – 1998, 2002, 2016 and now, in 2017.
They point out that even the fastest-growing coral typically takes about a decade to recover – and that back-to-back…