IB ESS 8.1.12 (HL) Environmental migration
IB ESS 8.1.12 (HL) Environmental migration

IB Environmental Systems and Societies syllabusESS SL/HLFirst assessment 2026
Practise explaining how drought, land degradation, flooding, storms and sea-level rise can drive sudden or slow environmental migration.
How this is tested
- distinguish sudden-onset events from slow-onset environmental migration drivers
- explain how drought, land degradation or saltwater inundation can force migration decisions
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