When asked if I am pessimistic or optimistic about the future, my answer is always the same: If you look at the science about what is happening on Earth and aren't pessimistic, you don't understand the data.

All is connected... no one thing can change by itself.

It is possible for the assembly-line worker consigned to tightening the bolts on the transmission and the office worker who processes medical insurance claims to work with pride and efficiency, but it's not easy to maintain that attitude.

What I see everywhere in the world are ordinary people willing to confront despair, power, and incalculable odds in order to restore some semblance of grace, justice, and beauty to this world.

We are losing our living systems, social systems, cultural systems, governing systems, stability, and our constitutional health, and we're surrendering it all at the same time.

The responses that environmentalists evoke - fear, anxiety, numbness, despair - are not helpful, even if they are understandable. It should be fascinating, even enthralling, to be in the milieu of environmental change.

Sustainability, ensuring the future of life on Earth, is an infinite game, the endless expression of generosity on behalf of all.

We're trained to see the world in terms of charismatic organizations and charismatic people. That's who we look to for leadership and change, for transformation. We're awaiting the next J.F.K., the next Martin Luther King, the next Gandhi, the next Nelson Mandela.

I think an old style of addressing environmental problems is ebbing, but the rise of the so-called conservative, political movement in this country is not a trend towards the future but a reaction to this very broad shift that we are undergoing.

Good management is the art of making problems so interesting and their solutions so constructive that everyone wants to get to work and deal with them.

Good management is the art of making problems so interesting and their solutions so constructive that everyone wants to get to work and deal with them.