Today we're talking about climate change and the precarious position we are all in, threatened with the very collapse of our societies and the biosphere upon which they rest, all due to our inaction. Joining me to explore this sobering topic is Earth systems scientist Professor Will Steff. Will is a climate change expert and researcher at the Australian National University, Canberra. He's held many positions related to guiding our species back onto a sustainble climate trajectory. He was the Executive Director of the Australian National University's Climate Change Institute,he served as a Science Adviser to the Australian Department of Climate Change and Energy Efficiency, he was a founding Climate Councillor of Australia's Climate Council, and has been an author and reviewer of five of the IPCC (Intergovernmental Panel on Climate Change) assessments and special reports between 2000 and 2018.

In our conversation, we cover:

• How bad is the current situation?
• Tipping points
• The difficulty of modelling a system as complex as our climate and thus, the need for a great deal of humiltiy and caution when dealing with climate change
• The threat social collapse due to climate change
• and why we really need to get our act together by 2030 in order to try and stablise the climate system. 

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Links

• Will's ANU Page
• Australian Climate Council
• Why we are facing a climate emergency talk by Will
• Game, Set, Match: Calling Time on Climate Inaction
• Paulo Magalhaes' The Safe Operating Space Treaty