year. FRACKING – involves applying high pressure water to break rocks, in order to extract shale gas, which is a natural gas that could replace oil. Challenge is horizontally drilling, since it is very deep. Shale is a sedimentary rock. Other Facts: Japan has the largest nuclear base, Canada has tar sands (thick liquids) Urban Heat Island effect – urban expansion will lead to higher temperature Why do we consume so much energy? Wealth, developed countries, long winters in Canada and Russia, population…
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