IB ESS 2.3.5 Carbon sequestration
IB ESS 2.3.5 Carbon sequestration

IB Environmental Systems and Societies syllabusESS SL/HLFirst assessment 2026
Practise outlining how forests, mangroves and capture systems remove atmospheric carbon and store it in biomass or other reservoirs.
How this is tested
- use forest-cover change to outline how carbon sinks help mitigate climate change
- compare mangroves and rainforests as carbon sinks using carbon stored per unit area
- outline how capture flows remove carbon dioxide from power-plant emissions
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