Many individuals are doing what they can. But real success can only come if there is a change in our societies and in our economics and in our politics.

The nature of human beings is that they'd far rather face the disaster that is happening tonight than the one that is happening tomorrow.

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

Birds are the most popular group in the animal kingdom. We feed them and tame them and think we know them. And yet they inhabit a world which is really rather mysterious.

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.

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

One in eight plant species face extinction.