A 'Code Red for Humanity' and a 'wake-up call': just some of the reactions to the latest UN Intergovernmental Panel on Climate Change (IPCC) report.

It says there's no longer any doubt that humans are to blame.

Some of the destruction is now irreversible.

But scientists say there's still time to limit the damage.

However, after decades of warnings, are people still listening?

Presenter: Kim Vinnell

Guests:

Richard Allan - Professor of Climate Science, University of Reading, and IPCC report author.

Grant Blashki - Associate Professor, Nossal Institute for Global Health, University of Melbourne.

Tom Burke - Chairman, E3G.

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