"When we tug at a single thing in nature, we find it attached to the rest of the world."
- John Muir

"Fundamentally, sustainable development is a notion of discipline. It means humanity must ensure that meeting present needs does not compromise the ability of future generations to meet their needs."
- Gro Harlem Brundtland

"I can’t understand why people are frightened of new ideas. I’m frightened of the old ones."
- John Cage

"Sustainable development is a dynamic process which enables all people to realise their potential, and to improve their quality of life, in ways which simultaneously protect and enhance the Earth's life support systems."
- (Forum for the Future Annual Report 2000)

"You can tell how high a society is by how much of its garbage is recycled."
- Tahanie

"We are seeing the birth of a new perspective of the world, where ecology and economics are two sides of the same coin."
- Leif Johansson

"We still have to learn how to live peacefully, not only with our fellow men but also with nature and, above all, with those Higher Powers which have made nature and have made us."
- E.F. Schumacher

"The world's deteriorating ecology poses as great a danger to mankind today as did the nuclear standoff between the superpowers at the height of the Cold War."
- Mikhail Gorbachev