To solve the climate crisis, we need to make tropical forests worth more alive than dead, says environmental economist Nat Keohane. Highlighting the urgent need to stop deforestation and the carbon pollution it brings, he details the work of the LEAF Coalition -- a first-of-its-kind public-private partnership that's channeling one billion dollar...

In June 2022, TED's climate initiative, Countdown, launched its Dilemma Series: events designed to look at some of the "knots" in the climate change space, where diverging positions have stalled progress and solidified into an inability to collaborate across differences. The event focused on the question: Is there a role for carbon credits in th...