IB Environmental systems and societies (ESS) - Old Topic 4.2F Water Footprints and Citizen Science Notes & Questions (HL)

IB Environmental systems and societies (ESS) - Old Topic 4.2F Water Footprints and Citizen Science Notes & Questions (HL) | RevisionDojo

Written by official IB examiners

Definition

Water footprint

A water footprint refers to the total volume of freshwater used to produce goods and services consumed by an individual, community, or nation.

A water footprint measures the hidden water behind what we consume

A water footprint measures the water consumed, polluted, or evaporated in producing goods and services.
It reveals where water use is unsustainable and guides water management and policy.
It can be applied to individuals, industries, products, or countries to understand consumption impacts.

Note

Introduced in 2002, it shifted attention from production-based to consumption-based water use, tracking hidden water flows in global trade.

Blue, green, and grey water make up the total footprint

Blue water footprint
1. Water drawn from surface and groundwater sources like rivers, lakes, and aquifers.
2. Used for irrigation, industry, and domestic supply.
Green water footprint
1. Rainwater absorbed by plants and stored in soil.
2. Vital for agriculture and natural vegetation.
Grey water footprint
1. Volume of water needed to dilute pollutants to acceptable quality standards.
2. Includes wastewater from households, agriculture, and industry.

Tip

Blue = extraction, green = rainfall absorption, grey = pollution load.

Internal and external footprints reveal virtual water trade

Internal water footprint: water used within a country to produce goods consumed domestically.
External water footprint: water used abroad to produce imported goods and services, known as virtual water.

Example

The UK's external footprint is large because it imports water-intensive goods like cotton, beef, and coffee.

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Definition

Paywall

(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Duis aute irure dolor in reprehenderit

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Note

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud exercitation.

Excepteur sint occaecat cupidatat non proident

Nemo enim ipsam voluptatem quia voluptas sit aspernatur aut odit aut fugit, sed quia consequuntur magni dolores eos qui ratione voluptatem sequi nesciunt. Neque porro quisquam est, qui dolorem ipsum quia dolor sit amet, consectetur, adipisci velit.

Tip

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

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Definition

Water footprint

A water footprint refers to the total volume of freshwater used to produce goods and services consumed by an individual, community, or nation.

A water footprint measures the hidden water behind what we consume

A water footprint measures the water consumed, polluted, or evaporated in producing goods and services.
It reveals where water use is unsustainable and guides water management and policy.
It can be applied to individuals, industries, products, or countries to understand consumption impacts.

Note

Introduced in 2002, it shifted attention from production-based to consumption-based water use, tracking hidden water flows in global trade.

Blue, green, and grey water make up the total footprint

Blue water footprint
1. Water drawn from surface and groundwater sources like rivers, lakes, and aquifers.
2. Used for irrigation, industry, and domestic supply.
Green water footprint
1. Rainwater absorbed by plants and stored in soil.
2. Vital for agriculture and natural vegetation.
Grey water footprint
1. Volume of water needed to dilute pollutants to acceptable quality standards.
2. Includes wastewater from households, agriculture, and industry.

Tip

Blue = extraction, green = rainfall absorption, grey = pollution load.

Internal and external footprints reveal virtual water trade

Internal water footprint: water used within a country to produce goods consumed domestically.
External water footprint: water used abroad to produce imported goods and services, known as virtual water.

Example

The UK's external footprint is large because it imports water-intensive goods like cotton, beef, and coffee.

Definition

Paywall

(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Note

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud exercitation.

Excepteur sint occaecat cupidatat non proident

Tip

Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

IB Environmental systems and societies (ESS) - Old 4.2F Water Footprints and Citizen Science Notes

A water footprint measures the hidden water behind what we consume

Blue, green, and grey water make up the total footprint

Internal and external footprints reveal virtual water trade

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account

A water footprint measures the hidden water behind what we consume

Blue, green, and grey water make up the total footprint

Internal and external footprints reveal virtual water trade

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account