The state of the climate — and what we might do about it
16:37 | Economist Lord Nicholas Stern helped write a report that outlines where we are now — and what we could do next.
Naomi Oreskes: Why we should trust scientists
19:14 | Many of the world’s biggest problems require asking questions of scientists — but why should we believe what they say?
Gavin Schmidt: The emergent patterns of climate change
12:10 | You can’t understand climate change in pieces, says climate scientist Gavin Schmidt. It’s the whole, or it’s nothing.
Michael Green: Why we should build wooden skyscrapers
12:22 | Building a skyscraper? Forget about steel and concrete, says architect Michael Green, and build it out of … wood.
Vicki Arroyo: Let’s prepare for our new climate
10:38 | As Vicki Arroyo says, it’s time to prepare our homes and cities for the new climate, with its increased risk of flooding, drought and uncertainty.
James Hansen: Why I must speak out about climate change
17:51 | Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change.
Rob Dunbar: The threat of ocean acidification
18:45 | Rob Dunbar hunts for data on our climate from 12,000 years ago, finding clues inside ancient seabeds and corals. His work is vital in setting baselines for fixing our current climate — and in tracking the rise of deadly ocean acidification.
Rachel Pike: The science behind a climate headline
6:45 | In 4 minutes, atmospheric chemist Rachel Pike provides a glimpse of the massive scientific effort behind the bold headlines on climate change.
Al Gore: Alarming new slides of the worsening climate crisis
7:44 | At TED2009, Al Gore presents updated slides from around the globe to make the case that worrying climate trends are even worse than scientists predicted, and to make clear his stance on “clean coal.”
Averting the climate crisis
16:57 | With the same humor and humanity he exuded in An Inconvenient Truth, Al Gore spells out 15 ways that individuals can address climate change immediately, from buying a hybrid to inventing a new, hotter “brand name” for global warming.