IB ESS 6.2.5 Climate change impacts on ecosystems

IB Environmental Systems and Societies syllabusESS SL/HLFirst assessment 2026

Practise explaining climate-change impacts on ecosystems, resilience, biome shifts, coastal systems and ecosystem services.

How this is tested

explain how warming can affect coral reefs, mangroves or coastal ecosystem resilience
interpret sea-ice, coastal or biome data to describe climate-related ecosystem change
discuss impacts of climate change on ecosystem services using named examples

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