If you look at the science that describes what is happening on earth today and aren't pessimistic, you don't have the correct data. If you meet people in this unnamed movement and aren't optimistic, you haven't got a heart.

Quote by Paul Hawken

He was the founder of The Natural Step in the United States. org
Pigovian tax
Marion Institute. Says Hawken: ‘I believe business is on the verge of.