resource management revision Flashcards
why has the demand for food increased?
population has increased
why is the demand for food changing in the uk?
exotic food
seasonal food
organic food
what is a food mile?
distance the food has traveled
what is carbon footprint?
the amount of the greenhouse gas produced during an activity
what is organic farming?
when it doesnt have pesticides
what is agribusiness?
when a farm is run like a large industrial business. they are a large scale money intensive commercial activities
how does the demand for water vary across the uk?
north and west get lots of it, east and south dont get much
why has the demand for water increased?
population has increased
more people are using appliances
more people in the world will require more food
what is ground water?
water put into the ground by the soil
how is it polluted?
fertiliser and pesticides leak into the soil when it rains
vehicles run off the vehicles seeps into the soil
what is a transfer scheme?
moving water from areas of surplus to areas of deficit
keilder water transfer scheme
how and why is the UK energy mix changing?
in 1990 it was coal and in 2014 we have had a big change to renewable energy
how are we exploiting energy in the UK?
fracking
what are the impact of fossil fuels?
fracking for fossil fuels extractions creates a number of economic and environmental impacts
what is water insecurity
a lack of water
how does climate change effect water supply?
in hotter climates, the water evaporates from rivers, lakes and seas quicker