Fragile environments and climate change

Worked examples (6)

• 1Defining a fragile environment
• 2Naming the main types
• 3Describing global distribution
• 4Why polar regions are fragile
• 5Shared characteristics across types
• 6Boundary fluidity and climate change

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Worked examples (6)

• 1Defining desertification
• 2Defining deforestation
• 3Causes of desertification in the Sahel
• 4Causes of Amazon deforestation
• 5Comparing deforestation drivers in different forests
• 6Positive feedback in desertification + deforestation

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Worked examples (6)

• 1Distinguishing natural from human causes
• 2Milankovitch cycles
• 3Volcanic cooling mechanism
• 4Solar variability and the Little Ice Age
• 5Glacial cycles and the Holocene
• 6Evidence for natural climate change

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Worked examples (6)

• 1Three types of impact
• 2Social impacts of desertification
• 3Economic impacts
• 4Environmental impacts — Lake Chad case
• 5Positive feedback in Sahel desertification
• 6How impacts cascade across categories

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Worked examples (6)

• 1Naming the three impact categories
• 2Amazon key statistics
• 3Social impacts of Amazon deforestation
• 4Economic short-term vs long-term tension
• 5Environmental impacts including tipping point
• 6Southeast Asia palm oil case

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Worked examples (6)

• 1Defining water scarcity
• 2List five technological strategies
• 3Israel's desalination programme
• 4Singapore NEWater
• 5Stretch — drip vs flood irrigation
• 6Stretch — evaluating tech vs equity

Model answers (8)

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• ✓Model answer 6
• ✓Model answer — 4GE1 Paper 2 Section C style (AO2/AO3 synthesis)
• ✓Model answer — 4GE1 Paper 2 Section C style (AO3 synthesis)

Worked examples (6)

• 1Defining climate change
• 2Fragile environments most at risk
• 3Effects on the Arctic
• 4Coral bleaching mechanism + scale
• 5Stretch — Pakistan floods 2022 case study
• 6Stretch — climate migration

Model answers (8)

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• ✓Model answer — 4GE1 Paper 2 Section C style (AO1/AO2/AO3)
• ✓Model answer 6
• ✓Model answer — 4GE1 Paper 2 Section C style (AO2/AO3)
• ✓Model answer — 4GE1 Paper 2 Section C style (AO3 synthesis)

Worked examples (6)

• 1Defining sustainable rainforest management
• 2List six sustainable strategies
• 3Selective logging in practice
• 4Costa Rica ecotourism
• 5Stretch — REDD+ programme
• 6Stretch — Indigenous land rights

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• ✓Model answer 6
• ✓Model answer — 4GE1 Paper 2 Section C style (AO2/AO3 synthesis)
• ✓Model answer — 4GE1 Paper 2 Section C style (AO3 synthesis)

Worked examples (6)

• 1Mitigation vs adaptation
• 2Paris Agreement
• 3Mitigation case studies
• 4Adaptation case studies
• 5Mitigation vs adaptation evaluation
• 6Climate justice + Loss + Damage

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