Unit 3 Resource Consumption and Security

Define what an ecological footprint is

• The land and water to prvide resources for humanity

• The amount of waste produced and energy consumed by nations

• A hypothetical area of land required by a society, or a group to fulfill all their resource needs.

• The global consumption of resources measured by GHA

The amount of people still living in extreme poverty

• 800 million

• 2 billion

• 1 million

• 20 million

State 1 advantage of the ecological footprint measure

• Can't compare with other nations

• Doesn't include water usage

• Doesn't instruct how to improve footprints

• Provides a quantifiable result based on behaviour

A country can increase its ecological footprint by: (2 answers)

• having a meat rich diet

• relying heavily on fossil fuels

• reusing resources

• increasing recycling

A country can reduce its ecological footprint by (2 answers)

• large per capita consumption of food

• importing more resources from other countries

• Using technology to increase carrying capacity (e.g GM foods)

• High energy use

State 2 countries with high ecological footprints

• Luxembourg

• Ethiopia

• Qatar

• Nepal

The following are causing water stress

• Population growth

• Climate change

• Decreasing Global middle class

• Growth of HIC urban areas

Define what virtual water is

• Hidden water in the manufacturing of goods

• The water which is reused from grey water sources

• The exports of water

• the way in which water is transferred from country to another through exports

The following are ways in which to increase crop production (2 ways)

• expanding area farmed

• Decrease consumption

• multicropping

• using traditional crop varieties

2 Causes of decreasing crop yields:

• natural hazards

• increased urbanisation

• increase of biofuels

• increase food waste