History shows us that other highly developed forms of civilization have collapsed. Who knows whether the same fate does not await our… — Christian Lous Lange Copy Share Image
“I never would have guessed that matches and lighters would be among the things I'd miss the most if civilization collapsed” — Mike Mullin Copy Share Image
“They ruined their environment, and their civilization collapsed. You'd think their descendants would have learned not to kill the earth that feeds… — Nancy Farmer Copy Share Image
