• The recent upsurge of public concern over environmental questions reflects a belated recognition that man has been too cavalier in his relations with nature. Unless we arrest the depredations that have been inflicted so carelessly on our natural systems-which exist in an intricate set of balances-we face the prospect of ecological disaster.

    Nixon, Richard M. (1971). “Public Papers of the Presidents of the United States: Richard M. Nixon, 1970”, p.653, Best Books on
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