IB ESS SL 1.3.1 Sustainability Definition Questions

Practise SL questions on sustainability by defining long-term viability and evaluating how resource use and local practices protect future generations.

Syllabus
First assessment 2026
Course
ESS SL
Level
SL

Exam points

  • Define sustainability through renewable resource use, local systems and conditions for future generations.
  • Distinguish environmental, social and economic evidence when judging whether a practice is sustainable.
  • Evaluate strategies against ecological footprint, human welfare and future-generation criteria.

IB ESS SL 1.3.1 Sustainability Definition Questions question 1

[Maximum number: 2]
Human activity on and near Inle Lake

Figure:Human activity on and near Inle Lake

Figure:Agriculture of Inle Lake fact file

- Most people living here are self-sufficient farmers and fishermen.
- Houses are built of wood and bamboo on stilts in the lake.
- Inle carp are a staple food; rice is grown on surrounding hillsides.
- Lotus plants provide fibres for weaving; floating gardens use weed from the lake bottom and grow fruits and vegetables such as tomatoes and cauliflowers.
- Floating gardens rise and fall with water levels and use nutrients from the lake.

Using evidence from the figures showing human activity on and near Inle Lake and the agriculture fact file, explain why the people of Inle Lake have lived sustainably until recently.

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