Physical water scarcity Where water resource development is approaching or has exceeded unsustainable levels; it relates water availability to water demand.

Physical water scarcity Where water resource development is approaching or has exceeded unsustainable levels; it relates water availability to water demand and implies that arid areas are not necessarily water scarce

Economic water scarcity where water is available locally but not accessible for human, institutional or financial capital reasons.

Can countries own water?

P73 / 74 of spec

• Print cartoon slide • Print worksheet • Print PDF of water shortage

Homework – for Monday

Research the millennium development goals Produce a report to: • Explain what the MDGs are • Outline how water links to each of the MDGs. • e.g. why are women and girls more

vulnerable to water shortages

Water and change

Patterns

Trends

We’ve looked at these many times now in population,

atmosphere and soil

What do they mean?

• Pattern This term covers the arrangement or changes of spatial elements

• Trend This term covers the changes over time

Lesson objectives: To be able to examine the environmental and human factors affecting patterns and trends in physical water scarcity and economic water scarcity

Examine: Consider an argument or concept in a way that uncovers theassumptions and interrelationships of the issue.

1.Cut out the slips, read them through and check your understanding of the vocabulary used.2.Categorize the slips as being environmental or human related.3.Categorize the slips as being either linked to patterns or trends.4.Categorize the slips as being either concerning physical water scarcity or economic water scarcity.

Water scarcity report

• Skim read the report and annotate the key trends and patterns onto your resource sheet

• Add the factors that influence these patterns and trends

• Colour code them into environmental and human factors

World Water Use 2005

How is this figure likely to change in the next 50 years?

What are the implications? Whose perspective is this from?

What assumptions does the cartoon make?

Lesson objectives: To examine the factors that influence access to safe water

• Gap minder: www.bit.ly/UgKHAB