Why is the world warming up?
Speaker
About this talk
A brief answer to one of the key questions about climate change: Why is the world warming up? (Written by Myles Allen, David Biello and George Zaidan)
More talks to watch
Our moral imperative to act on climate change -- and 3 steps we can takeHis Holiness Pope Francis
Amazon's climate pledge to be net-zero by 2040Kara Hurst
The city planting a million trees in two yearsYvonne Aki-Sawyerr
The 15-minute cityCarlos Moreno
Apple's promise to be carbon neutral by 2030Lisa Jackson
Where does all the carbon we release go?Kristen Bell