SOCB44H3 Lecture Notes - James Lovelock, Gaia Hypothesis, Hernando De Soto
Document Summary
(epa) environmental protection agency, banned substance, because of a heavy campaign from environmentalists. Causes the thinning of egg shells in birds of prey. Ddt is the most effective killer of mosquitoes. Rainforests located mostly in equatorial regions (africa, latin america ) Tree cover in america increased by 40% (more trees now in northamerica than there were in. Industrial revvolution began in 1800"s, increased c02 emission by ten fold. (10%) contributes to global warming. The 40% increase happened because of more c02, since it. Experts say, c02 levels are 150% higher than they were with the start of the industrial revolution. They go up in the air, and act as green house effect. The sun will pass through c02, but it doesn"t allow heat from earth to radiate back out into space. Heat accumulates and it can"t radiate away into space (the greenhouse effect) Melting ice caps, rising ocean levels results of increased emissions of c02.
