If wealth was the inevitable result of hard work and enterprise, every woman in Africa would be a millionaire.

All the money, all the prestige in the world will never make up for the loss of your freedom.

Those who consume far more resources than they require destroy the life chances of those whose survival depends upon consuming more.

Every time someone dies as a result of floods in Bangladesh, an airline executive should be dragged out of his office and drowned.

We would do well to ask why governments seem to find it so easy to raise the money required to wreck the biosphere, and so difficult to raise the money required to save it.

So, if you don’t fit in, if you feel at odds with the world, if your identity is troubled and frayed, if you feel lost and ashamed - it could be because you have retained the human values you were supposed to have discarded. You are a deviant. Be proud.

When you warn people about the dangers of climate change, they call you a saint. When you explain what needs to be done to stop it, they call you a communist.