IB ESS HL 6.3 Climate Change Mitigation and Adaptation Questions

Practise IB ESS HL 6.3 by evaluating climate responses, trade-offs, societal capacity and the effectiveness of international agreements.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • Analyse mitigation and adaptation choices using causes, consequences and evidence.
  • Evaluate emissions cuts, biofuels, carbon removal and reforestation through effectiveness and side effects.
  • Evaluate adaptation options against finance, governance, technology, exposure and development.
  • Evaluate UN agreements through participation, enforcement, emission outcomes and national interests.

Question 1

[Maximum number: 3]
Planned changes in energy supply in Cape Town, 2025-2050

Figure:Planned changes in energy supply in Cape Town, 2025-2050

Evaluate how the planned changes in the energy supply, shown in Figure: Planned changes in energy supply in Cape Town, 2025-2050, are likely to influence carbon emissions in Cape Town.

Question 2

[Maximum number: 6]
CO₂ emissions for selected countries in 2007 and projected for 2030

Figure:CO₂ emissions for selected countries in 2007 and projected for 2030

There are concerns that increased carbon dioxide ( CO2\mathrm{CO}_{2} ) emissions are leading to changes in the global climate.

Question (a)

(a)

Identify one reduction strategy that the United States might use to achieve its projected change in CO2\mathrm{CO}_{2} emissions.

[ 1 ]

Question (b)

(b)

Identify one adaptation strategy that could be used to reduce the impacts of climate change.

[ 1 ]

Question (c)

(c)

Explain how the ability to implement mitigation and adaptation strategies may vary from one country to another.

[ 4 ]

Question 3

[Maximum number: 2]

Suggest two ways in which agriculture in the Canterbury Plains could be adapted to deal with the impacts of climate change.

All question bank results loaded