The reverse side of the coin in having this extraordinary ability to go anywhere, is that no one anywhere is remote any more.

No one will protect what they don't care about, and no one will care about what they have never experienced.

The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.

Instead of controlling the environment for the benefit of the population, perhaps we should control the population to ensure the survival of our environment

What humans do over the next 50 years will determine the fate of all life on the planet.

Anyone who believes in indefinite growth on a physically finite planet is either mad or an economist

The World is full of wonders, but they become more Wonderful, not less Wonderful when Science looks at them.

The question is, are we happy to suppose that our grandchildren may never be able to see an elephant except in a picture book?

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

Bringing nature into the classroom can kindle a fascination and passion for the diversity of life on earth and can motivate a sense of responsibility to safeguard it.

I just wish the world was twice as big and half of it was still unexplored.

I can no more understand the totality of God than the pancake I made for breakfast understands the complexity of me

Ego=1/Knowledge" More the knowledge lesser the ego, lesser the knowledge more the ego.

In the end, for all our differences and conflicts, most women and men share the same food, work, shelter, bed, life, joy, anguish, and fate. We need each other.

Indeed, if "biology is chemistry with history," as somebody has said, then nature writing is biology with love.

How do you measure whether or not a strategy of economic growth that is articulated by a very smart, capable economist actually yields growth? You can't. But you can influence.

Dogs are very different from cats in that they can be images of human virtue. They are like us.

I have a certain avoidance of reality that makes fantasy an ideal choice for me.

The only way to know whats possible is to venture past impossible.

I guess the toughest things in translations are word play, which can never be reproduced exactly.

I shall never alter my ways, not even if I have to die many times.