HGP250 Lecture Notes - Lecture 11: Pesticide, Mariposa Grove, Insecticide
17 Dec 2020
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Document Summary
Using materials that can be reused recycled or composted. Using what we have and what the animals produce rather than using arti cial fertilizers. Ho we view industrial processes and the environment. Documented misuse of chemicals. and told on nature and human health. Silent spring: how human action a ect the balance of nature. Ddt rigidly sued in ww2 t shield crops from insects and protect soldiers from insect born diseases. After war, routinely spread widely often with unforeseen results. Chemical companies and us dept of agriculture stole the bene ts f ddt. Litle regulation or public awareness of its potential harm. Carson showed how the overuse of chemicals led to the evolution of resistant species. Which in turn encouraged teh development o deadlier chemicals. Since ddt doesn"t dissolve in water she precede it would accumulate in the environment over time bodies of insects and tissues of animals that consume those insects an eventually humans.
