If you want to maintain a sustainable supply of fish you have to farm the fish, rather than mine them. So putting your money into fishing fleets that are going to exacerbate the problem by over-fishing is not the way to preserve the underlying asset.

I've developed a huge regard for Toyota for its environmental awareness, for its immense commitment to research and development in this field, and for its leadership in developing hybrids which others are now following.

Occupy World Street is a masterpiece which deserves to get wide circulation and commitment by world leaders.

Well they do have a use, but we should never believe that any international conference is going to suddenly solve problems like the condition of the global environment.

We need what I have often called an ecological approach to the management of these resources and we do not have that now. We have the inertia of past habits, unsustainable habits.

Ted Turner is still a leader. And he sets a great example. His ability financially has been reduced, but his influence and his example still is an important asset to the whole environmental movement.

We owe at least this much to future generations, from whom we have borrowed a fragile planet called Earth.