uk energy Flashcards

1
Q

energy conservation meaning

A

reducing energy consumption and using existing energy sources to be efficient

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2
Q

energy mix meaning

A

the combination of different energy

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3
Q

energy security meaning

A

reliable and affordable sources of energy

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4
Q

renewable meaning

A

a source that wont run out of

natural energy

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5
Q

non-renewable meaning

A

sources of energy that will run out

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6
Q

how much of global energy is non-renewable

A

87%

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7
Q

energy insecurity?

A

more energy used than it produces

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8
Q

what will we do when the UK becomes energy insecure in the future

A

import more energy to reduce the gap between demand and supply

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9
Q

why has energy demand increased in recent years?

A

technology

population increase

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10
Q

why do countries experience energy insecurity

A

increase in demand

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11
Q

supply meaning

A

the amount of something available for use

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12
Q

demand meaning

A

the consumers need or desire to use a product

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13
Q

surplus meaning

A

when demand is lower than supply

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14
Q

deficit meaning

A

when demand is higher than supply

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15
Q

how does climate affect energy

A

windy climates - wind turbines

sunny climates - solar pannels

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16
Q

impacts of energy insecurity

A

food production

industry

conflict

cost

17
Q

types of resource management

A

biomass -burning to produce biofules

wind -turbines

hydro - dams

tidal - turbines in rivers

solar - pannels

18
Q

what is resource management

A

key resources need for economic and social well-being

food water energy

19
Q

what is carbon footprint

A

estimate of the impact that activities have on climate change

20
Q

what is UK average of carbon footprint

A

10,000kg per person per year

21
Q

what is world average of carbon footprint

A

4000kg per person per year

22
Q

CASE STUDY FOR PETROL CONSUMPTION

A

Brazil!!

23
Q

how much has Brazil reduced petrol by?

A

40% since 1993

24
Q

how has Brazil reduced petrol use

A

introduced using sugar cane ethanol in cars

25
Q

how many new cars in Brazil run on petrol AND ethanol?

A

90%

26
Q

benefits of sugar cane ethanol in Brazil

A

cheaper

renewable

lasts longer/takes you further

locally produced so no cost of trade

reliable

27
Q

disadvantages of ethanol in Brazil

A

cut down trees to grow it

takes a lot of energy to produce

28
Q

LIC/NEE CASE STUDY FOR ENERGY

A

Nepal!!

29
Q

how much below is Nepal than south asian average?

A

20%

30
Q

what is the highest used source in NEPAL?

A

wood

31
Q

why do people deforestate in NEPAL?

A

no supervision of the forest

use it to sell the wood

homeless make homes there

use it for energy

32
Q

Nepal has no fossil fules of its own for how many people

A

28million

33
Q

how peoples lives have improved due to energy

A

new jobs

lights

education (technology for it)

communication

cooking easier