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.

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

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

Harmony with land is like harmony with a friend you cannot cherish his right hand and chop off his left.

We learned that economic growth and environmental protection can and should go hand in hand.

When we try to pick out anything by itself, we find it hitched to everything else in the universe.

Take a course in good water and air and in the eternal youth of Nature you may renew your own. Go quietly, alone no harm will befall you.

Much of the debate over global warming is predicated on fear, rather than science.

Not all is doom and gloom. We are beginning to understand the natural world and are gaining a reverence for life - all life.