GEO-1330 Lecture 8: Water Pollution/ Solid Waste (Feb 6 -10)
Document Summary
First major set of laws concerned with environmental, rather than just human, effects of pollution. Nitrogen & phosphorous from human & animal waste and fertilizer. 60% nitrogen waste in floridian aquifer comes from septic tanks. Estrogen from birth control pills harms fish. New chemicals are created faster than treatments are discovered for them. Ddt was used i(cid:374) the (cid:1005)94(cid:1004)s u(cid:374)til the (cid:1005)97(cid:1004)s to kill pests, (cid:271)ut it was(cid:374)"t u(cid:374)til the (cid:1005)97(cid:1004)s that scientists realized many birds were dying because the of the bio magnification of ddt. Water bodies are classified as class i, ii, or iii, iv, or v, with i being drinking water, ii being for shellfish harvesting, iii being safe for swimming, iv for agricultural supplies, and v being only for navigation. In this way, water is not protected to the utmost quality, but protected based on how hu(cid:373)a(cid:374)s use it.
