‘A world with no ice’: Confronting the horrors of climate change
22:23 | As Columbia University professor Philip Kitcher points out, a 4-5 Celsius temperature increase that makes the planet uninhabitable is a disaster no matter when it happens.
Climate change deaths increase the social cost of carbon
30:51 | Popular models for the effects of climate change human welfare usually focus on its long-term economic impacts — but often leave out its impact on human mortality.
Tree Rings, Climate Change and the Rainy Season
8:26 | Scientists at Columbia University’s Lamont-Doherty Earth Observatory are reading the growth rings of ancient trees to understand the history and workings of the monsoon.