People blame their environment. There is only one person to blame - and only one - themselves.

Unless we keep this planet healthy, everything else is for naught.

I firmly believe that we can have a healthy environment and a sustainable timber industry.

It seems that every time mankind is given a lot of energy, we go out and wreck something with it.

I think the cost of energy will come down when we make this transition to renewable energy.

We won't have a society if we destroy the environment.

The only way forward, if we are going to improve the quality of the environment, is to get everybody involved.

No one should be able to enter a wilderness by mechanical means.

Birds are indicators of the environment. If they are in trouble, we know we'll soon be in trouble.

You may be able to fool the voters, but not the atmosphere.