The year rapid, dramatic change hit climate scientists like a "punch in the guts."

Colossal Biosciences, which is also behind the bid to bring back the Tasmanian tiger, has teamed up with the Melbourne Zoo to save the 15-centimetre reptile.

University of Melbourne partners with a U.S. biotech company to plan the genetic restoration of the thylacine.

"Avoided deforestation" projects do not represent genuine abatement, say researchers, who liken the Coalition policy to "cheap tricks and hot air."

Climate Action 100+ group put 161 fossil fuel, mining, transport and other big-emitting companies on notice in latest campaign by shareholders