Uniformity is not nature's way; diversity is nature's way.

We're living in the anthropocene age and now human beings will be the shapers of our future, that totally control the overall functions of not just our planet, but our relationship with other planets.

I did physics because of my love of nature. As a young student of science, I was taught that physics was the way to learn nature. So my travels through physics really are the same urges that make me travel through ecology.

When the forest is destroyed, when the river is dammed, when the biodiversity is stolen, when fields are waterlogged or turned saline because of economic activities, it is a question of survival for these people. So our environmental movements have been justice movements.

I do have fun. Even when I’m fighting I’m enjoying it: I think there’s nothing as exhilarating as protecting that which you find precious.

Unless the poor of the world agitate for themselves to be heard, there will be no changes in their circumstances.

The liberation of the earth, the liberation of women, the liberation of all humanity is the next step of freedom we need to work for, and it's the next step of peace that we need to create.