The use of solar energy has not been opened up because the oil industry does not own the sun. – Ralph Nader, quoted in Linda Botts, ed., Loose Talk, 1980

Malthus has been buried many times, and Malthusian scarcity with him. But as Garrett Hardin remarked, anyone who has to be reburied so often cannot be entirely dead. – Herman E. Daly, Steady-State Economics, 1977

I think the environment should be put in the category of our national security. Defense of our resources is just as important as defense abroad. Otherwise what is there to defend? – Robert Redford, Yosemite National Park dedication, 1985

Every experience in life, everything with which we have come in contact in life, is a chisel which has been cutting away at our life statue, molding, modifying, shaping it. We are part of all we have met. Everything we have seen, heard, felt or thought has had its hand in molding us, shaping us. – Orison Swett Marden

So bleak is the picture… that the bulldozer and not the atomic bomb may turn out to be the most destructive invention of the 20th century. – Philip Shabecoff, New York Times Magazine, 4 June 1978