Georgeaphy Paper 2 Flashcards
why has demand for food increased
population
8 billion people in world
Why is the demand for food changing in the UK
Exotic foods unable to grow in uk
seasonal food
Organic foods
What is a good mile and carbon foot print
distance food has travelled
amount of greenhouse gas has been produced
What is organic farming
doesn’t have pesticides
What is agribusiness
making money through farming
How does demand for water vary across the uk
North and west get loads and east (water surplus)
and south don’t get much at all water deficit
Why has demand for water increased
Population increases
Appliances more people using
Crops
Whag is under ground water and how is being polluted
Water that is underground
Polluted by fertilisers or pesticides
What is water transfer scheme
moving water from somewhere with lots to places that don’t
Killdeer water scheme
How and why is the UK energy mix changing
1990-coal
2020+- renewable energy
How are we exploiting energy in the UK
Fracking
What are the economic impacts of exploiting fossil fuels
Fracking is expensive
sell it/trade it world wide
What are the environmental impacts of fossil fuels
Releases co2
can cause earthquakes
What is water insecurity
lack of water
Describe global patterns of water insecurity
Africa has water insecurity
Why has water demand increases
population
factories/more industries
How does climate affect water supply
if it’s hot it evaporates quicker
How does geology affect water supply
Impermeable impossible for water to soak in water runs into river
permeable water absorbed and end up underground
What are options for water conservation
grey water-using used water for activities such as planting plants
Improve pipes-make sure no leaks
Hosepipe bans-limited water use
What is a waterborne disease
Disease the comes from water such as cholera
What is impact of water insecurity on food production and industrial output
crops can’t grow without water
factories can’t operate
Pros and cons of water transfer scheme
Increases water in areas that don’t have any
expensive to set up
What are pros and cons about dams and reservoirs
Hydroelectric power (HEP)
Can control water flow
expensive to build
Causes flooding
Large scale transfer scheme
china south to north
to Beijing
small scale water transfer scheme
Kenya sand dams