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

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.

War and pestilence might kill large numbers of people, but in most cases the population recovers. But lose the soil and everything goes with it.

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

There is enough oil in the ground to deep-fry the lot of us, and no obvious means to prevail upon governments and industry to leave it in the ground.

Almost everywhere, climate change denial now looks as stupid and as unacceptable as Holocaust denial.

Progress is measured by the speed at which we destroy the conditions that sustain life.