EarthHour 　　EarthHourstartedinAustraliawithmillionsofhomesandbusinessesturningtheirlightsoffforonehour.Nowithasgrowntobecomeoneoftheworld’sbiggestclimatechangeinitiatives.Peoplearealljoiningtogetherinaglobalefforttoshowthatit’spossibletotakeactiononglobalwarming. 　　EarthHourhasbroughtaboutsomenewchangestoourlives.Theiconic"Bird’sNest"NationalStadiumandthenearby"WaterCube"NationalAquaticsCenter,usuallyilluminatedbyfloodlights,wentdarkat8:30p.m.,whiledozensofhotels,officebuildings,shoppingmallsandrestaurantsalsoswitchedsomelightsoff.Peoplejoinactivitiessuchascandle-litdinnersandstar-gazingpartiesasaresponsetothecallfor"goingdark".However,somecriticshavedismissedtheeventassimplyagimmickthatwillnotmakeanydifference. 　　Frommypointofview,EarthHourisaglobalcalltoactiontoeveryindividual,everybusinessandeverycommunity.Acalltostandup,totakeresponsibilityandtogetinvolvedinworkingtowardsasustainablefuture.EarthHourisamessageofhopeandamessageofaction.Everyonecanmakeadifference.