4.2.2—Factors affecting water availability

Syllabus
First assessment 2026
Objective
4.2.2
Level
HL

Trace Why Available Water Is Not Equally Accessible

Water access depends on demand, culture, money, infrastructure and political rules—not physical supply alone.

For each factor, trace mechanism to outcome: population changes demand; economic capacity affects pipes and treatment; rules shape allocation and pollution control; cultural practices shape accepted use and stewardship.

Two districts share a river, but one has maintained pipes and affordable treatment while the other relies on distant collection.

Specify the practice, infrastructure and incentive; avoid stereotyping culture as a causal shortcut.

Physical availability and social accessibility are different variables.