大学英语演讲global-warming

GlobalWarming演讲人：***MainContentsWhatisglobalwarming?Whatcanwedotostopglobalwarming?Whatcausesglobalwarming?Whatisglobalwarmingdoingtous?Whatisglobalwarming?GlobalWarming:Globalwarmingistheincreaseintheaveragetemperatureoftheearth’snear-surfaceairandoceansinrecentdecades.Whatisglobalwarming?Whatcausesglobalwarming?Whatcausesglobalwarming?Thesquigglelinescomingfromthesunarevisiblelightandthelinesandarrowsinsidethecarareinfraredlight.Whatcausesglobalwarming?DeforestationIndustriesemissionsPopulationGrowthWhatisglobalwarmingdoingtous?Glaciersaremelting.theseaisrisingWhatisglobalwarmingdoingtous?Insomeareas,theoriginalbountifullandnowcrackedthemouth,thechildrendonothavewatertodrinkandgrainstoeat.Whatcanwedotostopglobalwarming?WalkasfaraspossibleortravelbypublictransportUseenergyconservationelectricapplianceasfaraspossibleWhatisglobalwarmingdoingtous?Don’twastepaperTurnofflightswhenyouleaveDon’tuseplasticbagsasfaraspossiblePlantmoretreesinyourleisurehours.andsoon.......