Victoria's faunal emblem the Leadbeater's Possum and other species will become extinct within about 30 years unless clear-fell logging stops in Victoria's Mountain Ash forests, new research based on 30 years of monitoring the forests has found.

People collapse, buildings collapse, economies collapse and even entire human civilizations collapse.

Researchers at ANU have called for the transition from native timber harvesting to plantation forests with the biggest mainland sawmill in Australia under threat of collapse.

Australia's energy security needs to be reviewed in the face of new threats from climate change, cyber hacking and greater complexity in the energy system, an expert forum hosted by the ANU Energy Change Institute and Engineers Australia has found.

The Australia Labor Party has announced a new climate change policy ahead of the federal election.