EarthHourWhatistheEarthHour1HowtodoinEarthHour2WhydowehavetoholdEarthHour3ContentsWhatistheEarthHourEarthHourisaglobalenergyconservationinitiativeoftheWorldWideFundforNature(WWF)inresponsetoglobalclimatechange.WhatistheEarthHourThethemeposterofEarthHourin2019128:30-9:30atnightlocaltimeonthelastSaturdayofMarcheachyearIndividualsCommunitiesBusinessesGovernmentsHowtodoinEarthHourHowtodoinEarthHourEiffelTowerBigBenSydneyOperaHouseOrientalPearlSaveresourcesReducegreenhousegasemissionWhydowehavetoholdEarthHour165432TakethebusAvoidwasteTurnoffthelightsWatersavingUseclothbagClassifyrubbishWhydowehavetoholdEarthHourEachofusisavillagerintheglobalvillage.THANKYOU!