One in eight plant species face extinction.

There are some four million different kinds of animals and plants in the world. Four million different solutions to the problems of staying alive.

In the Baboon community, it is not how strong you are that is important, but who you know that counts

I would be absolutely astounded if population growth and industrialisation and all the stuff we are pumping into the atmosphere hadn't changed the climatic balance. Of course it has. There is no valid argument for denial.

How could I look my grandchildren in the eye and say I knew what was happening to the world and did nothing.

I'm not over-fond of animals. I am merely astounded by them.

I don't think whole populations are villainous, but Americans are just extraordinarily unaware of all kinds of things. If you live in the middle of that vast continent, with apparently everything your heart could wish for just because you were born there, then why worry? [...] If people lose knowledge, sympathy and understanding of the natural world, they're going to mistreat it and will not ask their politicians to care for it.