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Environmental Systems & Societies
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TOPICS (β€ 2025)
TOPIC 1: Foundations
1.1 Environmental Value Systems
1.2 Systems & Models
1.3 Energy & Equilibria
1.4 Sustainability
1.5 Humans & Pollution
TOPIC 2: Ecology
2.1 Species & Populations
2.2 Communities & Ecosystems
2.3 Flows of Energy & Matter
2.4 Biomes, Zonation, & Succession
2.5 Investigating Ecosystems
TOPIC 3: Biodiversity
3.1 Introduction to Biodiversity
3.2 Origin of Biodiversity
3.3 Threats to Biodiversity
3.4 Conservation of Biodiversity
TOPIC 4: Water
4.1 Introduction to Water Systems
4.2 Access to Fresh Water
4.3 Aquatic Food Production Systems
4.4 Water Pollution
TOPIC 5: Soil
5.1 Introduction to Soil Systems
5.2 Terrestrial Food Production Systems & Food Choices
5.3 Soil Degradation & Conservation
TOPIC 6: Atmosphere
6.1 Introduction to the Atmosphere
6.2 Stratospheric Ozone
6.3 Photochemical Smog
6.4 Acid Deposition
TOPIC 7: Climate
7.1 Energy Choices & Security
7.2 Climate Change - Causes & Impacts
7.3 Climate Change - Mitigation & Adaptation
TOPIC 8: Humans
8.1 Human Population Dynamics
8.2 Resource Use in Society
8.3 Solid Domestic Waste
8.4 Human Population Carrying Capacity
Group 4
TOPICS (β₯ 2026)
TOPIC 1: Foundations
1.1 Perspectives
1.2 Systems
1.3 Sustainability
TOPIC 2: Ecology
2.1 Spp --> Ecosystems
2.2 Energy & Biomass
2.3 Biogeochemical Cycles
2.4 Climate & Biomes
2.5 βEcosystems
TOPIC 3: Biodiversity & Conservation
3.1 Biodiversity & Evolution
3.2 Human Impact
3.3 Conservation
TOPIC 4: Water
4.1 Water Systems
4.2 Water Access
4.3 Aquaculture
4.4 Water Pollution
TOPIC 5: Land
5.1 Soil
5.2 Agriculture
TOPIC 6: Atmosphere
6.1 Atmosphere Intro
6.2 Climate Change - Causes & Impacts
6.3 Climate Change - Mitigation & Adaptation
6.4 Stratospheric Ozone
TOPIC 7: Natural Resources
7.1 Resource Use & Management
7.2 Energy Use & Management
7.3 Solid Waste
TOPIC 8: Humans & Urbanization
8.1 Demographics
8.2 Urban Systems & Planning
8.3 Urban Air Pollution
HL Lenses
A. Environmental Law
B. Environmental Economics
C. Environmental Ethics
IA's & EE's
Extended Essay
IA Methodologies
Practical Investigations
Datasets & Research
Data & Analysis Resources
Graphs & Charts
Classesβ₯2026
RQ & Inquiry (4pts)
Strategy (4pts)
Method (4pts)
Treatment of Data (6pts)
Analysis & Conclusion (6pts)
Evaluation (6pts)
The Poles
Antarctica π§
The Arctic π»ββοΈ
M/C QUIZZES
TOPIC 1-Foundations
TOPIC 2-Ecology
TOPIC 3-Biodiversity
TOPIC 4-Water
TOPIC 5-Soil
TOPIC 6-Atmosphere
TOPIC 7-Climate
TOPIC 8-Humans
Reading List
Solutions & Success
Action
Environmental Systems & Societies
Home
NEWS
Online Resources
Questions?
Surveys
Visitors
TOPICS (β€ 2025)
TOPIC 1: Foundations
1.1 Environmental Value Systems
1.2 Systems & Models
1.3 Energy & Equilibria
1.4 Sustainability
1.5 Humans & Pollution
TOPIC 2: Ecology
2.1 Species & Populations
2.2 Communities & Ecosystems
2.3 Flows of Energy & Matter
2.4 Biomes, Zonation, & Succession
2.5 Investigating Ecosystems
TOPIC 3: Biodiversity
3.1 Introduction to Biodiversity
3.2 Origin of Biodiversity
3.3 Threats to Biodiversity
3.4 Conservation of Biodiversity
TOPIC 4: Water
4.1 Introduction to Water Systems
4.2 Access to Fresh Water
4.3 Aquatic Food Production Systems
4.4 Water Pollution
TOPIC 5: Soil
5.1 Introduction to Soil Systems
5.2 Terrestrial Food Production Systems & Food Choices
5.3 Soil Degradation & Conservation
TOPIC 6: Atmosphere
6.1 Introduction to the Atmosphere
6.2 Stratospheric Ozone
6.3 Photochemical Smog
6.4 Acid Deposition
TOPIC 7: Climate
7.1 Energy Choices & Security
7.2 Climate Change - Causes & Impacts
7.3 Climate Change - Mitigation & Adaptation
TOPIC 8: Humans
8.1 Human Population Dynamics
8.2 Resource Use in Society
8.3 Solid Domestic Waste
8.4 Human Population Carrying Capacity
Group 4
TOPICS (β₯ 2026)
TOPIC 1: Foundations
1.1 Perspectives
1.2 Systems
1.3 Sustainability
TOPIC 2: Ecology
2.1 Spp --> Ecosystems
2.2 Energy & Biomass
2.3 Biogeochemical Cycles
2.4 Climate & Biomes
2.5 βEcosystems
TOPIC 3: Biodiversity & Conservation
3.1 Biodiversity & Evolution
3.2 Human Impact
3.3 Conservation
TOPIC 4: Water
4.1 Water Systems
4.2 Water Access
4.3 Aquaculture
4.4 Water Pollution
TOPIC 5: Land
5.1 Soil
5.2 Agriculture
TOPIC 6: Atmosphere
6.1 Atmosphere Intro
6.2 Climate Change - Causes & Impacts
6.3 Climate Change - Mitigation & Adaptation
6.4 Stratospheric Ozone
TOPIC 7: Natural Resources
7.1 Resource Use & Management
7.2 Energy Use & Management
7.3 Solid Waste
TOPIC 8: Humans & Urbanization
8.1 Demographics
8.2 Urban Systems & Planning
8.3 Urban Air Pollution
HL Lenses
A. Environmental Law
B. Environmental Economics
C. Environmental Ethics
IA's & EE's
Extended Essay
IA Methodologies
Practical Investigations
Datasets & Research
Data & Analysis Resources
Graphs & Charts
Classesβ₯2026
RQ & Inquiry (4pts)
Strategy (4pts)
Method (4pts)
Treatment of Data (6pts)
Analysis & Conclusion (6pts)
Evaluation (6pts)
The Poles
Antarctica π§
The Arctic π»ββοΈ
M/C QUIZZES
TOPIC 1-Foundations
TOPIC 2-Ecology
TOPIC 3-Biodiversity
TOPIC 4-Water
TOPIC 5-Soil
TOPIC 6-Atmosphere
TOPIC 7-Climate
TOPIC 8-Humans
Reading List
Solutions & Success
Action
More
Home
NEWS
Online Resources
Questions?
Surveys
Visitors
TOPICS (β€ 2025)
TOPIC 1: Foundations
1.1 Environmental Value Systems
1.2 Systems & Models
1.3 Energy & Equilibria
1.4 Sustainability
1.5 Humans & Pollution
TOPIC 2: Ecology
2.1 Species & Populations
2.2 Communities & Ecosystems
2.3 Flows of Energy & Matter
2.4 Biomes, Zonation, & Succession
2.5 Investigating Ecosystems
TOPIC 3: Biodiversity
3.1 Introduction to Biodiversity
3.2 Origin of Biodiversity
3.3 Threats to Biodiversity
3.4 Conservation of Biodiversity
TOPIC 4: Water
4.1 Introduction to Water Systems
4.2 Access to Fresh Water
4.3 Aquatic Food Production Systems
4.4 Water Pollution
TOPIC 5: Soil
5.1 Introduction to Soil Systems
5.2 Terrestrial Food Production Systems & Food Choices
5.3 Soil Degradation & Conservation
TOPIC 6: Atmosphere
6.1 Introduction to the Atmosphere
6.2 Stratospheric Ozone
6.3 Photochemical Smog
6.4 Acid Deposition
TOPIC 7: Climate
7.1 Energy Choices & Security
7.2 Climate Change - Causes & Impacts
7.3 Climate Change - Mitigation & Adaptation
TOPIC 8: Humans
8.1 Human Population Dynamics
8.2 Resource Use in Society
8.3 Solid Domestic Waste
8.4 Human Population Carrying Capacity
Group 4
TOPICS (β₯ 2026)
TOPIC 1: Foundations
1.1 Perspectives
1.2 Systems
1.3 Sustainability
TOPIC 2: Ecology
2.1 Spp --> Ecosystems
2.2 Energy & Biomass
2.3 Biogeochemical Cycles
2.4 Climate & Biomes
2.5 βEcosystems
TOPIC 3: Biodiversity & Conservation
3.1 Biodiversity & Evolution
3.2 Human Impact
3.3 Conservation
TOPIC 4: Water
4.1 Water Systems
4.2 Water Access
4.3 Aquaculture
4.4 Water Pollution
TOPIC 5: Land
5.1 Soil
5.2 Agriculture
TOPIC 6: Atmosphere
6.1 Atmosphere Intro
6.2 Climate Change - Causes & Impacts
6.3 Climate Change - Mitigation & Adaptation
6.4 Stratospheric Ozone
TOPIC 7: Natural Resources
7.1 Resource Use & Management
7.2 Energy Use & Management
7.3 Solid Waste
TOPIC 8: Humans & Urbanization
8.1 Demographics
8.2 Urban Systems & Planning
8.3 Urban Air Pollution
HL Lenses
A. Environmental Law
B. Environmental Economics
C. Environmental Ethics
IA's & EE's
Extended Essay
IA Methodologies
Practical Investigations
Datasets & Research
Data & Analysis Resources
Graphs & Charts
Classesβ₯2026
RQ & Inquiry (4pts)
Strategy (4pts)
Method (4pts)
Treatment of Data (6pts)
Analysis & Conclusion (6pts)
Evaluation (6pts)
The Poles
Antarctica π§
The Arctic π»ββοΈ
M/C QUIZZES
TOPIC 1-Foundations
TOPIC 2-Ecology
TOPIC 3-Biodiversity
TOPIC 4-Water
TOPIC 5-Soil
TOPIC 6-Atmosphere
TOPIC 7-Climate
TOPIC 8-Humans
Reading List
Solutions & Success
Action
Data & Analysis Resources
RANDOM NUMBER GENERATION FOR TI-83 & TI-84
BBC Bitesize:
Random Sample with Quadrats
MARK-CAPTURE-RECAPTURE TECHNIQUE (LINCOLN INDEX)
LINE TRANSECTS
SIMPSON'S INDEX USING
EXCEL
β’
USING
EXCEL
β’ (2013)
Inputting data and basic formatting
Error bars
USING
LOGGER PRO
β’
Inputting data and basic formatting
Error bars
USING
GOOGLE
CHARTS
Inputting data and basic formatting
Error bars
CREATE YOUR OWN GRAPH
SankeyMATIC
How to make a Kite Diagram
SHANNON INDEX USING
EXCEL
β’
IA Online Resources β List page from Classic Sites
Google Sites
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