IB ESS HL 4.2.7 Industrial Water Conservation Questions
Evaluate industrial strategies for reducing water use and pollution.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Exam points
- identify water-conservation strategies for production systems including efficient irrigation, drought-resistant or salt-tolerant crops, water storage, desalination, recycling and soil conservation
- explain how efficiency, crop choice, catchment measures and pollution controls reduce water demand, losses or freshwater contamination
- evaluate production and infrastructure strategies by weighing water savings against cost, maintenance, energy use, environmental effects, income and social trade-offs
IB ESS HL 4.2.7 Industrial Water Conservation Questions question 1
Figure:Water stress for selected crops
Water stress is the total annual extraction of water as a proportion of the renewable supply in a given area. If the extraction represents 40 % or more of the available supply it is described as a high risk area.
Identify two strategies that could be used to grow crops in areas of high water stress.
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