Fossil-fuels--such-as-coal--oil-and-natural-gas--a

11Fossilfuels,suchascoal,oilandnaturalgas,areusedinmanycountries.Theuseofalternativesourcesofenergy,includingwindandsolarpower,isencouraged.Isthistrendapositiveoranegativedevelopment?Nowadays,environmentalproblemhasbeenthefocusofadebate.Amongtheserelatedproblems,theissueofsubstitutableenergyisanextremelyacuteone.Itisfirmlybelievedthatthebenefitsofalternativeresourceshaveremarkableimpactonourdailylife,especiallyonenvironmentandanimalspreservationreserveaspects.Firstandforemost,thewidespreaduseoffossilfuelshavecausednoiseandwaterpollutions,aswellasindustrialairpollution,whichhaveledtochronicandaccumulativeeffecttotheearth.Moreover,thoseenvironmentaldestructivegasesemittedfromvehiclesandindustriesalsobringperpetuallydamagingeffecttoourclimate.Acaseinpointistheoccurrenceofextremeweatherconditions,suchasLaNinaintermsofheavyfloodsanddroughts;alongwiththeformationofglobalwarmingandacidrainineverypartoftheworld.Therefore,theuseofsubstitutableenergywilldefinitelyhelptoreducethedamagingeffectstoenvironmentbythosefossilfuels.Anotherreasonisthattheprevalentofpollutednaturalresourceswillshrinkanimals'spaceofhabitat,whichwillpushspeciesclosertothebrinkofextinction.Itisduetothefactthat,thedeteriorationoftheenvironmenthasdestroyedlocalecosystem,whichisseriouslythreatenedthesurvivalofrareanimals.Forinstance,asNorthPoleisgettingsmallereachyear,PolarBearhasforcedtoleavetheirnaturalhabitattosearchforfood.Thus,itisclearthatthedevelopmentofrenewableresourcesisimportanttoreplacetheextensiveuseofhydrocarbonenergy,inordertopreventenvironmentaldegradation.Inconclusion,Itotallyagreewiththeideathatthegrowthofrenewableenergyispositivelyaffectsthesustainabledevelopmentofourenvironment.Itisexpectedthattheimportanceofsubstitutableenergycanbegreatlyenhancedthroughcultivatingawarenessamongthepeopleintheforeseeablefuture.