Its about cherishing the woodland at the bottom of your garden or the stream that runs through it. It affects every aspect of life.

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.

Change can be beautiful

We don't talk about courage much in our everyday conversations, but I am comfortable with it now.

If you attain liberation do not feel that it matters or it is important. You had nothing to do with it. If you are bound by ignorance do not feel bad. You had nothing to do with it.

After you leap, before you land, is God.

As young Americans, you have an important responsibility, which is to become good citizens.

Like some great swelling river, the powers of the federal government have today breached their constitutional levees and spilled into countless areas of life never anticipated by the founders.

Walking is a meditative act. It's so rare that we allow ourselves just to be.

When you learn to get along with yourself, you will know how to get along with everybody.