WE ALL know about the threat to the Great Barrier Reef from extreme climate change, but the Australian Conservation Foundation wants to ram home to Victorians that the effects of a hotter world will hit much closer to home.

Melbourne now sweats through about nine days of hotter-than-35-degrees each year, but by 2030 this is expected to triple to 27.

The Great Barrier Reef.

In Darwin, the picture is even worse, with a massive 312 stifling days predicted every year.

At these temperatures, not only will the lawn die off; so, too, will the great tradition of the Aussie barbecue.