GPHY 101 Lecture : Energy and Food Security

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GPHY 101 Full Course Notes
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GPHY 101 Full Course Notes
Verified Note
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Document Summary

Source of a lot of non-renewable resources (fossil fuels) 2005 -30% transporation,38% industrial and growing consumption: natural gas less pollution, easier to extract: fracking high pressure insertion of water into shale, frack out. Huge money invested in it, lots of interest. Cheaper and cleanest; most hope for the future. Dams are a good investment but a natural impact and social impact exists. A little less than 12% comes from hydro. Yangtse river three gorges dam flooded cities and historical sites. Many are wary about this form of power. Canada has large uranium reserves and is heavily invested in it. No one wants a nuclear powerplant in their backyard. Obstacle: sociological (decentralized source of energy loss of jobs) Whole region of sahal still in crisis. Damage done to young reaped for a long time. Obesity is a big issue in lots of america. Food security: all people at all times have both physical and economic access to food.

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