College Board · AP Environmental Science
AP Environmental Science Resources
syllabus · past papers and exam practice · practice · course outline
Units and topics
Choose a topic to see its available materials.
Unit 1 - The Living World: Ecosystems11 topics
Open this unit →- Topic 1.1 Introduction to EcosystemsMaterials
- Topic 1.2 Terrestrial BiomesMaterials
- Topic 1.3 Aquatic BiomesMaterials
- Topic 1.4 The Carbon CycleMaterials
- Topic 1.5 The Nitrogen CycleMaterials
- Topic 1.6 The Phosphorus CycleMaterials
- Topic 1.7 The Hydrologic (Water) CycleMaterials
- Topic 1.8 Primary ProductivityMaterials
- Topic 1.9 Trophic LevelsMaterials
- Topic 1.10 Energy Flow and the 10% RuleMaterials
- Topic 1.11 Food Chains and Food WebsMaterials
Unit 2 - The Living World: Biodiversity7 topics
Open this unit →Unit 3 - Populations9 topics
Open this unit →- Topic 3.1 Generalist and Specialist SpeciesMaterials
- Topic 3.2 K-Selected r-Selected SpeciesMaterials
- Topic 3.3 Survivorship CurvesMaterials
- Topic 3.4 Carrying CapacityMaterials
- Topic 3.5 Population Growth and Resource AvailabilityMaterials
- Topic 3.6 Age Structure DiagramsMaterials
- Topic 3.7 Total Fertility RateMaterials
- Topic 3.8 Human Population DynamicsMaterials
- Topic 3.9 Demographic TransitionMaterials
Unit 4 - Earth Systems and Resources9 topics
Open this unit →- Topic 4.1 Plate TectonicsMaterials
- Topic 4.2 Soil Formation and ErosionMaterials
- Topic 4.3 Soil Composition and PropertiesMaterials
- Topic 4.4 Earth's AtmosphereMaterials
- Topic 4.5 Global Wind PatternsMaterials
- Topic 4.6 WatershedsMaterials
- Topic 4.7 Solar Radiation and Earth's SeasonsMaterials
- Topic 4.8 Earth's Geography and ClimateMaterials
- Topic 4.9 El Nino and La NinaMaterials
Unit 5 - Land and Water Use17 topics
Open this unit →- Topic 5.1 The Tragedy of the CommonsMaterials
- Topic 5.2 ClearcuttingMaterials
- Topic 5.3 The Green RevolutionMaterials
- Topic 5.4 Impact of Agricultural PracticesMaterials
- Topic 5.5 Irrigation MethodsMaterials
- Topic 5.6 Pest Control MethodsMaterials
- Topic 5.7 Meat Production MethodsMaterials
- Topic 5.8 Impacts of OverfishingMaterials
- Topic 5.9 Impacts of MiningMaterials
- Topic 5.10 Impacts of UrbanizationMaterials
- Topic 5.11 Ecological FootprintsMaterials
- Topic 5.12 Introduction to SustainabilityMaterials
- Topic 5.13 Methods to Reduce Urban RunoffMaterials
- Topic 5.14 Integrated Pest ManagementMaterials
- Topic 5.15 Sustainable AgricultureMaterials
- Topic 5.16 AquacultureMaterials
- Topic 5.17 Sustainable ForestryMaterials
Unit 6 - Energy Resources and Consumption13 topics
Open this unit →- Topic 6.1 Renewable and Nonrenewable ResourcesMaterials
- Topic 6.2 Global Energy ConsumptionMaterials
- Topic 6.3 Fuel Types and UsesMaterials
- Topic 6.4 Distribution of Natural Energy ResourcesMaterials
- Topic 6.5 Fossil FuelsMaterials
- Topic 6.6 Nuclear PowerMaterials
- Topic 6.7 Energy from BiomassMaterials
- Topic 6.8 Solar EnergyMaterials
- Topic 6.9 Hydroelectric PowerMaterials
- Topic 6.10 Geothermal EnergyMaterials
- Topic 6.11 Hydrogen Fuel CellMaterials
- Topic 6.12 Wind EnergyMaterials
- Topic 6.13 Energy ConservationMaterials
Unit 7 - Atmospheric Pollution8 topics
Open this unit →- Topic 7.1 Introduction to Air PollutionMaterials
- Topic 7.2 Photochemical SmogMaterials
- Topic 7.3 Thermal InversionMaterials
- Topic 7.4 Atmospheric CO2 and ParticulatesMaterials
- Topic 7.5 Indoor Air PollutantsMaterials
- Topic 7.6 Reduction of Air PollutantsMaterials
- Topic 7.7 Acid RainMaterials
- Topic 7.8 Noise PollutionMaterials
Unit 8 - Aquatic and Terrestrial Pollution15 topics
Open this unit →- Topic 8.1 Sources of PollutionMaterials
- Topic 8.2 Human Impacts on EcosystemsMaterials
- Topic 8.3 Endocrine DisruptorsMaterials
- Topic 8.4 Human Impacts on Wetlands and MangrovesMaterials
- Topic 8.5 EutrophicationMaterials
- Topic 8.6 Thermal PollutionMaterials
- Topic 8.7 Persistent Organic Pollutants (POPs)Materials
- Topic 8.8 Bioaccumulation and BiomagnificationMaterials
- Topic 8.9 Solid Waste DisposalMaterials
- Topic 8.10 Waste Reduction MethodsMaterials
- Topic 8.11 Sewage TreatmentMaterials
- Topic 8.12 Lethal Dose 50% (LD50)Materials
- Topic 8.13 Dose Response CurveMaterials
- Topic 8.14 Pollution and Human HealthMaterials
- Topic 8.15 Pathogens and Infectious DiseasesMaterials
Unit 9 - Global Change10 topics
Open this unit →- Topic 9.1 Stratospheric Ozone DepletionMaterials
- Topic 9.2 Reducing Ozone DepletionMaterials
- Topic 9.3 The Greenhouse EffectMaterials
- Topic 9.4 Increases in the Greenhouse GasesMaterials
- Topic 9.5 Global Climate ChangeMaterials
- Topic 9.6 Ocean WarmingMaterials
- Topic 9.7 Ocean AcidificationMaterials
- Topic 9.8 Invasive SpeciesMaterials
- Topic 9.9 Endangered SpeciesMaterials
- Topic 9.10 Human Impacts on BiodiversityMaterials
Past papers and exam practice
These are shortcuts to available files. Open the course paper picker for the full year and paper selection.
- AP 环境科学 1998–2020 全套打包下载ZIP
- 2020 · Annual paper · MCQ + written questions + answers · Download paper and answersPDF
- 2016 · Annual paper · MCQ + written questions + answers · Download paper and answersPDF
- 2010 · Annual paper · MCQ + written questions + answers · Download paper and answersPDF
- 2008 · Annual paper · MCQ + written questions + answers · Download paper and answersPDF
- 2003 · Annual paper · MCQ + written questions + answers · Download paper and answersPDF
- 1998 · Annual paper · MCQ + written questions + answers · Download paper and answersPDF