IB ESS HL 6.4.8 Montreal Protocol Question Bank
Practise IB ESS SL/HL 006.004.008 by applying montreal protocol concepts to exam-style environmental systems questions.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Exam points
- identify the relevant environmental system, process or evidence
- apply the correct ESS concept and explain the causal relationship
- evaluate the outcome using ecological, social or management evidence
6.4.8—Montreal Protocol question 1
[Maximum number: 1]
Identify one method to reduce ozone-depleting substances.
Any one of the following: find substitutes for Ozone Depleting Substances (ODS); ban ODSs; international agreements, eg Montreal Protocol; develop new technology, eg pump action aerosols;
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