高中英語必修三unit1重點單詞短語

高中英語必修三unit1重點單詞短語

1.reduce-tomakesomethingsmaller,lower,orlessinsize,amount,ordegree.

Example:Weshouldreduceourcarbonfootprintbyusingpublictransportation.

2.pollution-thepresenceorintroductionintotheenvironmentofsubstancesthatcauseharmordiscomfort.

Example:Airpollutionisamajorconcerninurbanareasduetovehicleemissions.

3.resource-asourceofsupplyorsupport.

Example:Waterisavaluableresourcethatmustbeconserved.

4.greenhouseeffect-thetrappingofthesun'swarmthinaplanet'sloweratmosphereduetothegreatertransparencyoftheatmospheretovisibleradiationfromthesunthantoinfraredradiationemittedfromtheplanet'ssurface.

Example:Thegreenhouseeffectiscontributingtoglobalwarming.

5.deforestation-theclearingordestructionofforests.

Example:Deforestationleadstothelossofhabitatformanyanimalspecies.

6.extinct-nolongerinexistence.

Example:Thedodobirdbecameextinctinthelate17thcentury.

7.globalwarming-agradualincreaseintheoveralltemperatureoftheEarth'satmospheregenerallyattributedtothegreenhouseeffectcausedbyincreasedlevelsofcarbondioxideandotherpollutants.

Example:Globalwarminghasledtothemeltingofpolaricecaps.

8.ecosystem-abiologicalcommunityofinteractingorganismsandtheirphysicalenvironment.

Example:Coralreefsareanimportantpartofmarineecosystems.

9.renewable-abletobereplenishedorreplacedbynaturalprocesses.

Example:Solarenergyisarenewablesourceofpower.

10.biodiversity-thevarietyoflifeintheworldorinaparticularhabitatorecosystem.

Example:Protectingbiodiversityiscrucialformaintainingahealthyenvironment.

11.disposeof-getridofbythrowingawayorgivingorsellingtosomeoneelse.

Example:Weshoulddisposeofourwasteinaresponsiblemanner.

12.raiseawareness-toincreaseknowledgeorunderstandingofaparticularissueorcause.

Example:Thecampaignaimstoraiseawarenessabouttheimportanceofrecycling.

13.carbonfootprint-thetotalamountofgreenhousegasesgeneratedbyanindividual,organization,orproduct.

Example:Byreducingtheircarbonfootprint,individualscanhelpcombatclimatechange.

14.landfill-aplacewherewastematerialisburiedandcoveredwithlayersofearth.

Example:Landfillsareacommonmethodofwastedisposal.

15.renewableenergy-energycollectedfromresourcesthatarenaturallyreplenished,suchassunlight,wind,andwater.

Example:Manycountriesareinvestinginrenewableenergysourcestoreducetheirrelianceonfossilfuels.

16.conservation-theactofprotectingsomethingfromharmordestruction.

Example:Nationalparksplayavitalroleintheconservationofnaturalhabitats.

17.ecosystemservices-thebenefitsthatpeopleobtainfromecosystems,suchascleanair,water,andfood.

Example:Wetlandsprovideimportantecosystemservicesbyactingasnaturalwaterfilters.

18.sustainable-abletobemaintainedatacertainrateorlevel.

Example:Sustainablefarmingpracticesaimtominimizeenvironmentalimpact.

19.alternative-anotherordifferentoptionorpossibility.

Example:Electriccarsareanalternativetotraditionalpetrol-poweredvehicles.

20.habitat-thenaturalhomeorenvironmentofananimal,plant,orotherorganism.

Example:Rainforestsarerichinbiodiversityandprovideahabitatfornumerousspecies.

21.contamination-thepresenceofanunwantedsubstanceorimpurity.

Example:Contaminationofdrinkingwatercanleadtohealthproblems.

22.non-renewable-notabletobereplenishedorreplacedbynaturalprocesseswithinareasonableamountoftime.

Example:Fossilfuelsareanon-renewablesourceofenergy.

23.eco-friendly-notharmfultotheenvironment.

Example:Usingbiodegradableproductsisawaytobemoreeco-friendly.

24.sustainability-theabilitytobemaintainedoverthelongterm.

Example:Buildingsustainablecommunitiesisessentialforfuturegenerations.

25.environmentalist-apersonwhoadvocatesfortheprotectionandpreservationofthenaturalenvironment.

Example:GretaThunberghasbecomeaprominentenvironmentalist,inspiringyoungpeopleworldwide.

26.climatechange-long-termshiftsintemperatureandweatherpatternsduetohumanactivityornaturalprocesses.Example:Climatechangeiscausingsealevelstorise,threateningcoastalcommunities.27.emissions-thereleaseofharmfulsubstancesintotheatmosphere,typicallyasaresultofhumanactivity.Example:Reducingemissionsfromfactoriesiscrucialforimprovingairquality.28.recycling-theprocessofconvertingwastematerialsintonewproducts.Example:Recyclingpaperreducestheneedforcuttingdowntrees.29.waste-unwantedmaterial,especiallyhouseholdorindustrialrefuse.Example:Properwastemanagementisessentialtopreventpollution.30.preservation-theactofmaintainingorprotectingsomething,especiallyfromdamageordecay.Example:effortsarebeingmadetopreservetheworld'sancientforests.31.carbonneutral-havinganetamountofcarbondioxideemittedintotheatmospherethatiszero.Example:Achievingcarbonneutralityisakeygoalincombattingclimatechange.32.footprint-theimpactthatanindividual,organization,orproducthasontheenvironment.Example:Asmallercarbonfootprintcanhelpreduceglobalwarming.33.recyclingprogram-asystemforcollectingandprocessingwastematerialstobeusedagaininmanufacturing.Example:Schoolsshouldimplementrecyclingprogramstoteachstudentsaboutenvironmentalresponsibility.34.hazardouswaste-wastethatisdangeroustohumanhealthortheenvironment.Example:Properdisposalofhazardouswasteiscrucialtopreventcontamination.35.pollutioncontrol-measurestakentoreduceorpreventpollution.Example:Installcatalyticconvertersonvehiclestocontrolairpollution.36.sustainabledevelopment-economicgrowththatissustainableinthelongterm,withoutdamagingtheenvironment.Example:Sustainabledevelopmentaimstomeettheneedsofthepresentwithoutcompromisingthefuture.37.biodiversityconservation-theprotectionandmanagementofbiodiver