challanges of resorce management Flashcards
why is water important?
vital for crops
climate effects supply
what is food imprtant?
poor diet = illness
1 billion people dont get enough callories
whay is energy important?
power factories
demmand is increasing
why is food demmand in the UK increasing?
UK climate cant grow some crops
cheaper from abroad
what is the UK supply and demand like?
North + west = surplus
south + east = deficit
how has energy mix changed in the UK?
75% of oil and gas used up
UK is dependent on other countries
what are the impacts of nucular energy?
expensive to build plants
warm waste water can harm ecosystems
what are the impacts of wind farms energy?
high concentration costs
helps reduce carbon footprint
what is global energy supply and demand?
a countrys energy security depends on its supply and consumption
what factors effect supply?
technology
pollitical factors
what is the problem with exploing resorces in sensitive areas?
not cost affective
oil spills
why is conumption increasing?
countrys are getting richer
what are the impacts of energy insecurity of food production?
biofules take land away from farmers
what are the impactsof energy insecurity on inustry?
some countrys dont have enough energy
why is there a pottential for conflicts?
energy shortage
can boimass increase supplies?
using land for biofules is controversal
can wind increase supplies?
unpopular but has potential
can hydro power increase supplies?
important sorce to many countrys
can tidal increase supplies?
verry fast but has environmental concernes
can geothermal energy increase supplies?
limited to technology
can wave increase supplies?
costs are high
can solar increase supplies?
great potential to LIC
how is gas formed?
remails of sea plants/animals
what are the advantages of using gas?
45% lower co2 emittions that coal
what are the diasvantages of using gas?
waste chamicals can contaminate water supplies
MALMO how has malmo got sustainable energy?
100% renewable energy
all busses run on biogas
cyclists have priority
MALMO how is it reducing its demand?
raise awearness
more efficiant appliances
MALMO what are the technology improvements for fossil fules?
hybrid cars reduce need for oil
boifuels = 40% LESS gas needed
