IB ESS HL HL.a.7 International law framework Question Bank

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

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

[Maximum number: 2]

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.

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 $\mathrm{SO}_{\mathrm{x}}$ and $\mathrm{NO}_{\mathrm{x}}$ between 1990 and 2007.

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HL.a.7—International law framework question 1