First, climate change is the greatest long-term threat faced by humanity. It could cause more human and financial suffering than the two world wars and the great depression put together. All countries will be affected, but the poorest countries will be hit hardest. Secondly, the costs of inaction far outweigh the costs of action.

Consuming three planets' worth of resources when in fact we have one is the environmental equivalent of childhood obesity - eating until you make yourself sick.

Turning every business into an environmental industry will involve applying new principles...first, we need to make more with less...second, we need to design out waste...third, we must begin to decarbonise our energy supply

Dangerous climate change... It's important not to be alarmist but it is very important to be alarmed

I've committed myself to serve my constituents in South Shields and I have committed myself to British politics.

We know from history that the way wars are concluded is absolutely the key to whether or not there is any peace to be kept.

I don't think I've ever been accused of being faddish. I'm more Marks & Spencer than Ted Baker.