"I like to define ecology as ‘the web of life’ or ‘the interconnectedness of all things.’"

"What is the use of a house if you haven't got a tolerable planet to put it on?"

"For the first time in the history of the world, every human being is now subjected to contact with dangerous chemicals, from the moment of conception until death."

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

"I am not a scientist in the sense that I wear a white coat and work in a laboratory. I am a writer, and my laboratory is the world around me."