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.

Good politics starts with empathy, proceeds to analysis, then sets out values and establishes the vision, before getting to the nitty-gritty of policy solutions.

We are a European nation - must stay one.

In the end, human history is made up of all our decisions.

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.

First of all, we have to say loud and clear to all those who are engaged in the fighting that attention to and respect for humanitarian needs is absolutely imperative. Anyone with any knowledge of Iraq, never mind any concern about the future, knows that the way in which the war is prosecuted has a big impact on what comes afterwards.

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