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.

The angry men know that this golden age (of fossil fuels) has gone; but they cannot find the words for the constraints they hate. Clutching their copies of Atlas Shrugged, they flail around, accusing those who would impede them of communism, fascism, religiosity, misanthropy, but knowing at heart that these restrictions are driven by something far more repulsive to the unrestrained man: the decencies we owe to other human beings.

If global warming is not contained, the West will face a choice of a refugee crisis of unimaginable proportions, or direct complicity in crimes against humanity.

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.

Almost all systems of economic thought are premised on the idea of continued economic growth, which would be fine and dandy if we lived on an infinite planet, but there's this small, niggling, inconvenient fact that the planet is, in fact, finite, and that, unlike economic theory, it is governed by physical and biological reality

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.

Like other lifeforms, we [humans] exist only to replicate ourselves.