"Business is screwed if we don't fix climate change," says economist Rebecca Henderson. In this bold talk, she describes how unchecked capitalism destabilizes the environment and harms human health -- and makes the case for companies to step up and help fix the climate crisis they're causing. Hear what a reimagined capitalism, in which companies...

The climate crisis demands leadership at every level. Governments, cities and businesses are three key players in designing and implementing the necessary transition -- and putting climate back on the political and social agenda. Session 2 of the Countdown Global Launch, hosted by Al Gore and Jaden Smith, features Severn Cullis-Suzuki, Ursula vo...