*In 1970, biochemist [[George Wald]] claimed that pollution, among other things, would bring the demise of civilization by the year 2000.<ref>https://www.newspapers.com/clip/46817327/wald-forecast-end-of-mankind-within-15/</ref> | *In 1970, biochemist [[George Wald]] claimed that pollution, among other things, would bring the demise of civilization by the year 2000.<ref>https://www.newspapers.com/clip/46817327/wald-forecast-end-of-mankind-within-15/</ref> |