environmental

"The environment is everything that isn't me."

"Never doubt that a small group of thoughtful, committed citizens can change the world indeed, it's the only thing that ever has."

"Keep close to Nature's heart... and break clear away, once in awhile, and climb a mountain or spend a week in the woods. Wash your spirit clean."

"Thank God men cannot fly, and lay waste the sky as well as the earth."

"God has cared for these trees, saved them from drought, disease, avalanches, and a thousand tempests and floods. But he cannot save them from fools."

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