David Spratt is an Australian climate policy analyst and advocate, and Research Director at the Breakthrough National Centre for Climate Restoration. Spratt co-authored the 2008 book Climate Code Red: The Case for Emergency Action, which argued for urgent, large-scale action to address the climate crisis. He co-authored 2018’s What Lies Beneath: The Understatement of Existential Climate Risk with Ian Dunlop, which called for a reframing of climate science within an existential risk management framework. His work explores climate threats and human security, risk methods, and the need for restorative action.