Population control is not an issue involving contraceptives for third world women. It is an issue of ecological justice.

The spinning wheel became the symbol of Indian independence. So we always say, "if the spinning wheel was the symbol of our first independence, then the seed is the symbol of our second independence."

When the wilderness movement emerged, it emerged separate from the issue of social inequality and the economic problems of survival. It was a preservationist ecology movement created by an occupying culture. Clearly, a wilderness movement started by Native Americans would not have had the same roots.

Biopiracy (is) biological theft; illegal collection of indigenous plants by corporations who patent them for their own use.

It is often too late by the time the government reacts.

I didn't leave physics because of boredom. I left it because other issues compelled me in a bigger way. And I always say to myself, "When I'm 60, I'd like to go back to what I interrupted."

When I find too many puzzles about the way explanations are given about why there is inequality - why people who work the hardest in the world end up being the poorest - I can't just sit back and not try to understand why the gaps between people are increasing, or why there are so many homeless and hungry people in the world.