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Environmental Studies
EVS 205
James Rotenberg

• Human Causes of Species Endangerment o #1 Causes:  Habitat destruction  Habitat fragmentation  Habitat degradation • Basic and Secondary Causes of Species Extinction o Triangle diagram (Rotenberg will give us in review sheet) o Population growth is the number one cause • Population and Urbanization o Rush to urbanization in developing countries has led to:  Squatter settlements  Exceptionally high unemployment  Homelessness • Environmental Problems Associated with Urban Areas o Brownfields o Inadequate sewage/storm water systems o Long commutes o Air pollution • Creation of Urban Heat Islands o First studies done in Atlanta o Results: hotter in downtown areas than rural because of albedo Global Energy and Policy • Internet Fun Facts o America’s Natural Gas Alliance (anga) o http://thinkaboutit.org o “Energy Tomorrow” American Petroleum Institute (API) o Energytomorrow.org • World Energy o Populations are increasing o Demand for energy and energy resources is increasing o Global Energy Consumption Pie Charts (2009 → 2035) o Consumption will nearly double • New Technologies o “Fracking” o Hydraulic fracturing o Is fracking safe? • 10 myths about natural gas drilling • Greenpeace and Fracking safety • Is Fracking Safe? The Top 10 Controversial Claims About Natural Gas Drilling • USA Will be a Major Exporter o International Energy Agency says: 1. US becomes a net exporter of natural gas by 2020 2. US is almost self-sufficient in energy by 2035 3. Fossil fuels will remain dominant in the global energy o US Exporting Oil and Natural Gas? 1. US actually exported more oil than it imported in 2011 2. US expected to be largest producer of petroleum and natural gas in 2013 • US Energy Information Administration • Wind Power o Danish government committed to electricity to wind power o Current = 25% o 2020= 50% o 2050= 100% o www.ens.dk/en • Does US have energy policy? o Not really o Bush administra
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