TheGreenhouseEffectThegreenhouseeffectisanincreaseinthetemperatureofaplanetasheatenergyfromsunlightistrappedbythegaseousatmosphere.Excesscarbondioxideandwatervaporincreasethisglobalwarmingeffect.SolarEnergy(sunlight)isshort-wavelengthradiationwhicheasilypenetratestheEarth'satmosphereandwarmstheEarth;onlyaboutonequarterofincomingsunlightisreflectedbytheatmosphere.ThewarmedEarthemitslong-wavelengthradiation(infraredwavesorheatenergy)backintospace;theselongerwavesaremostlyreflectedbacktoEarthbytheatmosphere.Thesizeoftheatmosphereintheillustrationaboveisgreatlyexaggeratedinordertoshowthegreenhouseeffect.MostoftheEarth'satmosphereiswithin10miles(16km)oftheEarth'ssurface).用心爱心专心
