Nicholas Stern

“We should remember that the last time global temperature was 5C different from today, the Earth was gripped by an ice age. So the risks are immense and can only be sensibly managed by reducing greenhouse gas emissions, which will require a new low-carbon industrial revolution.”

“Meat is a wasteful use of water and creates a lot of greenhouse gases. It puts enormous pressure on the world’s resources. A vegetarian diet is better. … I think it’s important that people think about what they are doing and that includes what they are eating.”