"The long fight to save wild beauty represents humanity's spiritual resistance to the omnipresent ugliness and vulgarity of a materialistic civilization."

"We stand now where two roads diverge. But unlike the roads in Robert Frost's familiar poem, they are not equally fair. The road we have long been traveling is deceptively easy, a smooth superhighway o…"

"We are dealing with the most dangerous substances in the world, and we are treating them with a casual indifference that borders on criminal."

"The 'control of nature' is a phrase conceived in arrogance, born of the Neanderthal age of biology and philosophy, when it was supposed that nature exists for the convenience of man."

"I am not a prophet. I am a scientist."