John Doerr and Ryan Panchadsaram discuss their new book, Speed & Scale: An Action Plan for Solving Our Climate Crisis now, focusing on the actions we can take to decarbonize our world and save a habitable planet. John shares how and why OKRs—the revolutionary goal-setting system that propelled Google, The Gates Foundation, and Bono's ONE to success— should be applied to tackling the most audacious challenge of all: averting catastrophic climate change.