This a graph from the new IPCC report that the Coalition tried to sabotage. The below graph depicts a range of impacts to a variety of systems of different global temperature outcomes, from white (undetectable) to yellow (detectable) to red (severe impacts) to purple (severe and irreversible impacts with little adaptability):
It suggests we should book that trip to the Great Barrier Reef soon.
John Menadue is the Founder of Pearls and Irritations and a board member. He was formerly the Editor-in-Chief. John was the Secretary of the Department of Prime Minister and Cabinet under Gough Whitlam and Malcolm Fraser, Ambassador to Japan, Secretary of the Department of Immigration and CEO of Qantas.