Why does water insecurity lead to more waterborne disease?

People forced to use untreated rivers, ponds or shallow wells swallow the bacteria in them, and there is too little clean water for washing and sanitation.

Name three sources that pollute a water supply.

Untreated sewage, industrial waste discharged into rivers, and fertiliser and pesticide washed off farmland.

Why does polluted water make insecurity worse rather than just making people ill?

It removes an otherwise usable source from the supply, so the remaining clean water has to stretch further.

How does a shortage of water hit food production?

Irrigation fails and pasture dries out, so yields fall and livestock die, which can bring hunger and higher food prices.

AQA GCSE Geography 8035

Climate Change

Topic overview The evidence, causes and effects of climate change Managing climate change: mitigation and adaptation

Coastal Landscapes in the UKUK landscape option

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Cold EnvironmentsLiving world option

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Ecosystems

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EnergyResource option

Topic overview Energy surplus and deficit, and why demand is rising The impacts of energy insecurity Strategies to increase energy supply Towards a sustainable energy supply

FoodResource option

Topic overview Food security and insecurity: patterns, causes and impacts Strategies to increase food supply Towards a sustainable food supply

Geographical Applications: Fieldwork Enquiry

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Glacial Landscapes in the UKUK landscape option

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Hot DesertsLiving world option

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Natural Hazards

Topic overview What a natural hazard is, and what affects hazard risk

Resource Management

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River Landscapes in the UKUK landscape option

Topic overview The long and cross profiles of a river, and fluvial processes River landforms from source to mouth Identifying landforms in a UK river valley Flood risk, hydrographs and flood management strategies A UK flood management scheme and its effects

Tectonic Hazards

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The Changing Economic World

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Tropical Rainforests

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UK Physical Landscapes

Topic overview The UK's upland areas, lowland areas and river systems

Urban Issues and Challenges

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WaterResource option

Topic overview Water surplus and deficit, and why demand is rising The impacts of water insecurity Strategies to increase water supply Towards a sustainable water supply

Weather Hazards

Topic overview Global atmospheric circulation: pressure belts and surface winds Where tropical storms form, and why The structure of a tropical storm, and the effect of climate change The effects of and responses to tropical storms Reducing the effects of tropical storms Weather hazards in the UK An extreme weather event in the UK, and evidence of more extreme weather

Water

The impacts of water insecurity

3 things to know
Paper 2 section C

Overview

Waterborne disease and who it hits hardest, pollution of supplies, how water shortages cut food production and industrial output, and why demand exceeding supply and rivers shared across borders can lead to conflict.

What you need to know

Answer each one before you reveal it.

Your recallNot started

Key term

What impacts does water insecurity have on people's health and on food supply?

Key term

What is a waterborne disease?

Key term

Which groups suffer most from waterborne illness, and what does that cost a country?

Questions from this subtopic

Each one with the model answer underneath.

1
What is a waterborne disease?
Model answer
An illness spread by drinking or washing in water contaminated with human or animal waste, such as cholera, typhoid or dysentery.
2
Why does water insecurity lead to more waterborne disease?
Model answer
People forced to use untreated rivers, ponds or shallow wells swallow the bacteria in them, and there is too little clean water for washing and sanitation.
3
Which groups suffer most from waterborne illness, and what does that cost a country?
Model answer
Young children and the elderly are worst affected, and the deaths, hospital treatment and days lost from work and school hold back the whole economy.
4
Name three sources that pollute a water supply.
Model answer
Untreated sewage, industrial waste discharged into rivers, and fertiliser and pesticide washed off farmland.
5
Why does polluted water make insecurity worse rather than just making people ill?
Model answer
It removes an otherwise usable source from the supply, so the remaining clean water has to stretch further.
6
How does a shortage of water hit food production?
Model answer
Irrigation fails and pasture dries out, so yields fall and livestock die, which can bring hunger and higher food prices.

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