Sforno on Genesis 6:12/ספורנו על בראשית ו׳:י״ב

1והנה נשחתה, without external influences, as a natural consequence, not due to man’s ecologically criminal behaviour. Although on the surface, there appeared to be no connection, man’s corruption resulted in the corruption of his habitat. The language used here by the Torah is comparable to Isaiah 47,2 וטחני קמח, “and grind meal.” One does not grind flour, but one grinds grain into flour. The prophet spoke about the end product. The Torah also spoke about the end product of man’s corruption bringing in its wake, though invisibly, the destruction of the earth’s crust.