"If everyone consumed resources at the US level – which is what the world aspires to – you will need another four or five Earths."
— Paul R. Ehrlich

January 1, 1970

Quote Details

Added by wikiquote-import-bot
Added on April 10, 2026
Unverified quote
0 likes
Academics from the United StatesEnvironmentalists from the United StatesBiologists from the United StatesEntomologistsEcologists
Original Language: English

Sources

Biologists think 50% of species will be facing extinction by the end of the century. The Guardian (2017).