Unit 4 Global warmingPeriod 1 Study aims and demands Topic: global warming; pollution; importance of protecting the earth Words: compare, graph, phenomenon (pl. phenomena), fuel, quantity, per, data, catastrophe, climate, consequence, state, range, glance, widespread…. Function: agreement & disagreement; blame and complaint. Grammar: the use of “it”Energy resources Do you know any kind of energy resource? Talk with your neighbors and write down as many as you can. Less than 1 min for you only. Check your answers and think whether they are renewable or non-renewable.Windmills, renewable.What? Renewable?What? What kind? Renewable?A coal power station , non-renewable.What? What kind? Renewable?An oil refinery( 精炼厂 ), non-renewable.What? What kind? Renewable?A nuclear power plant, non-renewable.What? What kind? Renewable? Solar panels, renewable.What? What kind? Renewable?A hydro-electric dam, renewable.Guess it! Uranium Ore ( 铀矿石 ) The element uranium does not occur in pure form in nature but is found in minerals such as carnotite (钒钾铀矿) , pictured here.What source of energy? Geysers( 间歇泉 )Geothermal ( 地热的 ) Energy PlantThermal( 温泉的 ) Region, IcelandNon-renewable Renewable Coal Oil Natural gas Uranium Wind (wind power) Sun (solar energy) Water (hydro-electric power) Plant waste (biomass energy) Hot springs or geysers (geothermal energy) The sea (tidal energy)Fossil fuelsWhat are fossil fuels? Ancient animal and plant material below the surface of the earth with a high carbon content, such as coal, oil and natural gas, which can be burnt to produce energy. Also known as non-renewable energy because once they are used they have gone forever; they cannot be renewe...