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IB ESS 6.1.7 (HL) Milankovitch cycles

IB ESS 6.1.7 (HL) Milankovitch cycles
IB Environmental Systems and Societies syllabusESS SL/HLFirst assessment 2026

Practise interpreting Milankovitch cycles as long-term orbital drivers of climate, separate from current warming.

How this is tested

  • distinguish orbit shape, tilt angle and axis rotation as drivers of solar radiation change
  • explain why Milankovitch cycles operate over long timescales, not current rapid warming
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