IB ESS 6.2.11 (HL) Global climate models
IB ESS 6.2.11 (HL) Global climate models

IB Environmental Systems and Societies syllabusESS SL/HLFirst assessment 2026
Practise using global climate models to test inputs, predict outputs and judge uncertainty in future climate projections.
How this is tested
- explain how changing model inputs alters predicted climate outputs
- use hindcasting to judge whether a global climate model is valid
- describe uncertainty in model inputs or outputs when interpreting projections
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