Until now I believed that the nation that has done most to sabotage a new climate change agreement was the United States. I was wrong. The real villain is Canada. Unless we can stop it, the harm done by Canada in December 2009 will outweigh a century of good works.

Change arises from conviction. Stop voting in fear. Start voting for hope.

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

Acknowledging our love for the living world does something that a library full of papers on sustainable development and ecosystem services cannot: it engages the imagination as well as the intellect. It inspires belief; and this is essential to the lasting success of any movement.

It does not matter whether we burn fossil fuels with malice or with love. As far as the atmosphere is concerned, it is not concerned. It is a collection of gases.

Governments are deemed to succeed or fail by how well they make money go round, regardless of whether it serves any useful purpose. They regard it as a sacred duty to encourage the country’s most revolting spectacle: the annual feeding frenzy in which shoppers queue all night, then stampede into the shops, elbow, trample and sometimes fight to be the first to carry off some designer junk which will go into landfill before the sales next year. The madder the orgy, the greater the triumph of economic management.

The corporations are powerful only because we have allowed them to be. In theory, it is we, not they, who mandate the state. But we have neglected our duty of citizenship, and they have taken advantage of our neglect to seize the reins of government.