It's not a pretty picture, but there are reasons for hope.

The most important thing is to actually think about what you do. To become aware and actually think about the effect of what you do on the environment and on society. That's key, and that underlies everything else.

We are always talking about how we can get more environmental and humanitarian education. It is about listening to the voice of young people - how they feel, and what would be most meaningful for them.

Chimps taught us we're not separated from the animal kingdom, we're a part of it.

Every individual can make a difference every day by making conscious choices.

What you do makes a difference, and you have to decide what kind of difference you want to make.

I've always felt you don't have to be completely detached, emotionally uninvolved to make precise observations. There's nothing wrong with feeling great empathy for your subjects.