River Pollution in the River Thames
Geography: Cambridge International GCSE (2027 Exams), topic 1.3.2
River Pollution in the River Thames
The River Thames experiences pollution from human activity, affecting people, wildlife, and the economy, but management strategies help reduce these impacts sustainably.

Causes of pollution
- Factories near the River Thames discharge chemical waste into the river.
- Urban areas release untreated sewage and household waste.
- Farming upstream adds fertilisers and pesticides that wash into the Thames.
- Construction and industrial runoff carry sediment and toxins into the river.

Impacts on people
- Polluted Thames water spreads waterborne diseases in nearby communities.
- Contaminated water reduces safe drinking and recreation areas.
- Fish deaths affect jobs for local fishing businesses.
- Tourism declines when river sections smell or appear dirty.

Impacts on ecosystems
- Chemicals in the Thames poison fish and plants.
- Fertiliser runoff causes algal blooms that block sunlight.
- Oxygen depletion kills aquatic animals and reduces biodiversity.
- Habitat quality for birds and other wildlife declines.

Strategies to manage pollution
- Sewage treatment plants reduce untreated waste entering the river.
- Laws limit industrial discharges and enforce penalties.
- Monitoring stations check water quality regularly.
- Community clean-up projects reduce litter and chemical runoff.

Sustainable techniques and evaluation
- Sustainable farming upstream reduces fertiliser and pesticide runoff.
- Buffer strips and wetland restoration absorb pollutants naturally.
- Public education campaigns promote responsible waste disposal.
- Combined legal, technical, and sustainable methods improve water quality long-term.
Test yourself on River Pollution in the River Thames
Which of the following is a major human cause of pollution in the River Thames?
How does pollution in the River Thames affect people?
Which strategy helps manage pollution sustainably in the River Thames?