Great Barrier Reef outlook 'critical' as climate change called number one threat to world heritage

The outlook for Australian sites including the Blue Mountains and the Gondwana rainforests has deteriorated, report to Unesco says The outlook for five Australian world heritage sites including the Great Barrier Reef, the Blue Mountains and the Gondwana rainforests, has deteriorated, according to a global report that finds climate change is now the number one threat to the planet's natural world heritage. The International Union for Conservation of Nature, the official advisory body on nature to...