Everything is connected to everything else. Everything must go somewhere. Nature knows best. There is no such thing as a free lunch.

The most meaningful engine of change, powerful enough to confront corporate power, may be not so much environmental quality, as the economic development and growth associated with the effort to improve it.

Environmental concern is now firmly embedded in public life: in education, medicine and law; in journalism, literature and art.

The environmental crisis is a global problem, and only global action will resolve it.

The first law of ecology is that everything is related to everything else.

Technologists practice faith too; 'Faith that problems have solutions before having the knowledge to solve them.'

All of the clean technologies are known, it's a question of simply applying them.