"The earth is not ours to exploit, but to cherish and protect."

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

"Perhaps the most serious of all the omissions of the mass extermination programs is the failure to take into account the fact that environmental pollution is a two-way street."

"The 'control of nature' is a phrase conceived in arrogance, born of the Neanderthal age of biology and the convenience of man."

"We are poisoning the earth and all that dwells upon it, and we are doing it in the name of progress."