IB ESS HL 6.2.13 Hl Critical Thresholds and Tipping Points Topic Practice

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ConceptConcept DocsDocuments

IB Environmental Systems and Societies

Topic 1: Foundation

Topic 2: Ecology

Topic 3: Biodiversity and conservation

Topic 6: Atmosphere and climate change

6.1 Introduction to the atmosphere

6.2 Climate change—causes and impacts

6.2.1—Climate definition

6.2.2—Anthropogenic CO₂ emissions

6.2.3—Ice core, tree ring, sediment data

6.2.4—Enhanced greenhouse effect

6.2.5—Climate change impacts on ecosystems

6.2.6—Climate change impacts on societies

6.2.7—Climate change models

6.2.8—Climate change planetary boundary

6.2.9—Perspectives on climate change

6.2.10 (HL)—Climate data collection

6.2.11 (HL)—Global climate models

6.2.12 (HL)—Climate model scenarios

6.2.13 (HL)—Critical thresholds and tipping points

6.2.14 (HL)—Tipping cascades

6.2.15 (HL)—Climate justice

6.3 Climate change—mitigation and adaptation

6.4 Stratospheric ozone

Topic 7: Natural resources

Topic 8: Human populations and urban systems

IB/ESS/HL//Question Bank/Topic 6: Atmosphere and climate change/6.2 Climate change—causes and impacts/6.2.13 (HL)—Critical thresholds and tipping points

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