The world may warm by 1.5 degrees Celsius by the early 2030s, a climate change expert from The Australian National University (ANU) warns.

Professor Mark Howden is a Vice-Chair of the Intergovernmental Panel on Climate Change (IPCC) and a contributing author to its Sixth Assessment Report , released today and which makes clear that global temperatures are on the rise.

The Director of the ANU Institute for Climate, Energy and Disaster Solutions said the global temperature increases could climb as high as 5.7 degrees Celsius this century.

"The more we know about climate change, the more we should be concerned," Professor Howden said.

"This report is another clear and loud alarm bell.

Read the full article on the ANU Newsroom website, featuring Prof Mark Howden