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IB ESS HL A 7 International Law Framework Questions

Practise IB ESS HL HL.a.7 by applying international law framework concepts to environmental systems questions.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • Addresses transboundary issues
  • Pollution and resource management
  • Examples: ASEAN Haze Pollution, FAO fishing plan

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Study HL.a.7—International law framework conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB ESS HL A 7 International Law Framework Questions question 1

[Maximum number: 2]
Atmospheric sources and processes related to acid deposition

Figure:Atmospheric sources and processes related to acid deposition

the atmospheric sources-and-processes diagram shown above below shows some of the sources and processes that lead to acid deposition.

European transport emissions of SOx and NOx from 1990 to 2007

Figure:European transport emissions of SOx and NOx from 1990 to 2007

Discuss why acid deposition has been controlled mainly by regional agreements rather than by global agreements.

the European transport-emissions chart shown above below shows the changes in European transport emissions of SOx\mathrm{SO}_{\mathrm{x}} and NOx\mathrm{NO}_{\mathrm{x}} between 1990 and 2007.

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