Unit4GlobalWarmingLightourcitiesHeatourbuildings---1.Whatdoweuseenergyfor?Manythingsconsumeenergyinourdailylife.2.efrom?Windpoweracoalpowerstationanoilrefineryanuclearpowerplant炼油厂solarpanelshydro-electricdamRenewable???non-renewable:energysourcessuppliesofitneverrunoutonedaytheywillrunout.Renewableornon-renewable?√ CoalOilNaturalgasUraniumWind(windpower)Sun(solarenergy)Water(hydro-electricpower)Plantwaste(biomassenergy)eysers(geothermalenergy)Thesea(tidalenergy)FossilfuelsNon-renewableRenewable化石燃料3.Whatarefossilfuels?Ancientanimalandplantmaterialbelowthesurfaceoftheearthwithahighcarboncontent,suchascoal,oilandnaturalgas,whichcanbeburnttoproduceenergy.Alsoknownasnon-renewableenergybecauseoncetheyareusedtheyhavegoneforever;theycannotberenewed.
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