环境科学概论教学课件(第二讲)英文版PPT

•Overview of Environmental Protection•Environmental pollution and hazards•Natural resource protection and 目sustainable utilization•Ecological protection and biodiversity 录•Environmental pollution controltechnology and methods•Environmental protection policies and 目regulations录01Overview ofEnvironmentalProtectionDefinition and ImportanceProtectionEarly BeginningsIncident civilizations have some environmental protection practices, suchas forest conservation and water managementProtectionIndustrial RevolutionRapid industrialization led to significant environmental degradationEmergence of early conservation movements in the 19th century输入标题02010403Protectionenvironmental protectionChallengesClimate change, causing extreme weather events and rising sea levels Biodiversity loss due to habitat destruction and overexploitation of resourcesenvironmental protectionenvironmental protectionOpportunitiesTransition to renewable energy sources to reduce greenhouse gasemissionsAdoption of circular economic practices to minimize waste andpromote resource efficiencyenvironmental protection010202Environmentalpollution and hazardsAir pollutionSources of air pollution01Health effects of air pollution02Measures to reduce air pollution03Water pollutionSources of water pollutionEffects of water pollutionMeasures to reduce water pollutionSoil pollutionSources of soil pollutionindustrial waste, pests and fertilizers, urban waste, etcEffects of soil pollutionsoil degradation, loss of fertility, contamination of food chain, etcMeasures to reduce soil pollutionproper waste disposal, reduce pest and fertilizer use, adapt sustainableagricultural practices, etcSources of noise pollution Effects of noisepollutionMeasures toreduce noisepollution010203 Noise pollution03Natural resourceprotection andsustainable utilizationImportance of Forests01Deforestation and its sequences 02Forest protection measures031 2 3Importance of water Water pollution and scaling Water protection measuresImportance of minerals Unsustainable mining practices Sustainable mining practicesImportance of energyFossil fuel dependence and its impacts Sustainable energy solutions04Ecological protectionand biodiversityComponents of ecosystems Tropical levels andfood chainsEcosystemservicesThe structure and function of ecosystemsThe significance and value of biodiversityBiodiversity definitionImportance of biodiversityThreats to biodiversityIn siteconservationprotecting and managing ecosystems and natural habitats to preserve biodiversity within its natural range要点一要点二Ex situconservationpreserving biodiversity outside its natural habitat in places such as botanical gardens, zoos, and seed banksEducation and awareness raisingincreasing public understanding and application of biodiversity and its value through education and reach programs要点三Measures and methods for biodiversity conservationEcological restorationThe process of assisting the recovery of an ecosystem that has been degraded, damaged, or destroyedmethods such as planning,soil improvement, andreintroduction ofspecifications to restoreecological function andbiodiversityexamples of successfulecological restorationprojects around the world,highlighting best practicesand lessons learned ReconstructiontechniquesCase studiesEcological restoration and reconstruction05Environmentalpollution controltechnology andmethodsAir pollution control technologyEmission reduction technologyAir purification technologyAtmospheric environment monitoring technologyWater pollution control technology Waste treatment technologyWater resource conservation technologyAquatic environment monitoring technologySolid Waste Disposal TechnologyWaste sorting and recycling technologySeparate waste at the source, recycle resources, and reduce the amount ofwaste that needs to be disposed ofWaste incineration and landfill technologyDispose of waste through incineration or landfill, while taking measures toreduce pollution emissions and protect the environmentHazardous waste treatment technologyTreat hazardous waste through special methods to ensure safe disposal andprevent environmental pollution01 02 03Noise source control technology Noise transmission control technology Noise receiver protection technologyNoise control technology06Environmentalprotection policiesand regulationsUnited Nations Environment Program (UNEP): UNEP promotes international cooperation on environmental issues and provides guidance to Paris Agreement: Adoptedin 2015, the ParisAgreement aims to limitglobal warming to wellbelow 2 degrees Celsiusand push efforts to limit itBasel Convention: The BaselConvention regulates thetransitional movements ofhazardous waste and theirdisposal, promoting thereduction, reuse, recycling,International environmental protection policies and regulationsChina's environmental protection policies and regulationsEnvironmental Protection LawAir Pollution Prevention and Control LawWATCHING。