Manypeoplemaynotrealizeit,butthegreenhouseeffectandglobalwarmingaretotallydifferentthings.Thegreenhouseeffectissomethingthathappenswithallcelestialbodies—planets,moons,andsuchthathaveanatmosphere.Anyway,backtothegreenhouseeffect.Thegreenhouseeffectisaprocessthathappenswhenthesun'sheatentersEarth'satmosphere.Thesun'srayswarmtheearth,andtheatmospherekeepstheheatin,justlikeagreenhouse.It'saverynaturalthing,andinmostcases,theplanetsystemknowshowtobalanceitselfout.Anyway,likeIsaid,it'saprettynaturalprocess.
Nowallthisgetsmessedupwhenhumans,um,addstufftoEarth'satmosphere.That'swhenglobalwarming,whichisnotanaturalprocess,happens.See,whathappensisthatpeoplecreate,um,thingsthatcreateextraheat.Forexample,cars.Wedrivecarsallthetime.Sowedriveourcars,andourcarsbumgas,andthisexhaustisprettyhot.Andtheatmospherekeepsthisheataroundtheplanet.Plus,allofourmachineryandourfactoriesandstuff,theyallproduceheat.Soallthisstuffcreateswhatscientistsarecallingglobalwarming.Earth'ssurfaceandatmospherejustkeepgettinghotter.
Nowglobalwarminghasmanynegativeeffects,butIthinkoneofthebiggestproblemswithglobalwarmingisthemeltingofpolaricecapsandglaciers.See,ourplanethashugechunksoficeatbothofitspoles.Andwhenglobalwarminghappens,um,theoveralltemperatureoftheplanetincreases.Andwhatthisdoesisitmakespolaricemelt.Sowhenicemelts,itturnsintowater,whichgoesintoouroceans.Andthatcausesthelevelofwatertorise.Andthiscouldalsocausemajorflooding.