SOC 1501 Study Guide - Final Guide: Naomi Klein, Cultural Imperialism, Neoliberalism
11 Apr 2016
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Document Summary
It is very likely (90-99% probability) that the earth"s mean surface temperature will increase by 1. 4 5. 8 degrees cenigrade between 2000 2100. There is new and stronger evidence that most of the warming observed over the last 50 years is atributable to human aciviies. Sun"s energy hits the atmosphere as solar radiaion. Some bounced back into space by the atmosphere, but most passes through the atmosphere to warm the surface of the earth. Once earth warmed by the short-wave solar energy, excess heat is radiated back into the environment as long-wave infrared radiaion. Some of the gases in earth"s atmosphere act like the glass in the car windows. They let in solar energy and block or absorb infrared energy. One has to go back perhaps ten million years to ind another ime when the carbon dioxide concentraion was as high as we will make it during the next century.
