Consuming Energy Resources Flashcards

(51 cards)

1
Q

Use of energy

A

Light homes
Power computers
Cook food

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2
Q

Non renewable

A

Being used up and can not be replaced
-finite
(Coal, oil, gas)

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3
Q

Renewable

A

Never run out, used up over and over again
-infinite
(Wind, solar, HEP)

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4
Q

Recyclable

A

-provide energy from sources that can be recycled/ reused

Biofuel

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5
Q

Wind farm

A

P- good for environment

N- ruins view

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6
Q

Wind turbines and solar panel

A

Large amount of land but can farm on sea

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7
Q

Open coal mining

A

Scar landscape but clean up land

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8
Q

Drilling for oil at sea

A

Risk of oil spill but ban offshore drilling

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9
Q

Hep development and deforestation

A

Can flood large areas of land but relocate endangered species of animals

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10
Q

Coal is formed

A
  • 300million Years ago

- giant plants in swamps die they fork layers and when put under pressure

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11
Q

Open coal mine

A

Adv- plenty of coal available

Dadv- expensive

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12
Q

Why mining has declined

A
  • cheaper foreign imports
  • carbon taxes
  • using other energy sources
  • declining demand
  • cheaper imported coal
  • ghg emission
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13
Q

Potential renewable energy in uk

A

Wave power in w Scotland

Solar in S of Devon

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14
Q

Global energy has only grown very slightly

A

Cars use less fuel
Power stations waste less energy
Houses are better insulated

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15
Q

Most energy consumed

A

USA, China (Hic)

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16
Q

Small amounts of energy

A

Low income countries

Primary economy

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17
Q

Emerging

A

High energy use

Manufacturing

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18
Q

Daily oil consumption

A

1900- under 1 million
2015- 93 million
2030- 116 million

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19
Q

Consumption of oil increase

A
  • population increase
  • heating buildings
  • fueling cars
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20
Q

High demand of oil…

A

Price rise

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21
Q

Price rise…

A

Falling demand

= lower price

22
Q

Too much supply…

23
Q

Price falls..

A

Too little

= price rise

24
Q

Oil price change

A
  • demand

- supply

25
Fracking involves
Drilling down into the Earth and injecting shale rock with high-pressure mixture of water sand and chemicals to release gas inside
26
For drilling into the artic
- Quarter of the earths undiscovered oil - USA becomes less dependent on other countries - provide jobs for locals - Offers huge potential revenue for oil companies
27
Against drilling in artic
- kills millions of organisms if oil spills - causes conflict with other countries - indigenous people rely on Artic animals for survival - Cold and fragile so there is a lot of work
28
Costs of tar sand oil extraction
- huge amount of water and energy required - 359 million tons of water - More than 6 million birds lost by 2050 - pollution of lakes and rivers
29
Shale gas
-Natural gas trapped underground in shale rock | Can’t be drilled
30
Sustainability
Meets the needs of the current generation without compromising the ability of future generations to meet their needs
31
Carbon footprint
Calculation of the total greenhouse gases emissions caused by person, country, organisation, event, product
32
Direct carbon footprint
Created by burning fossil fuels for energy at home or transport
33
Indirect carbon footprint
Come with owning a product, from its manufacture to final disposal
34
Home improvements to conserve energy
Energy efficient boilers, double glazing, wall insulation
35
Improving transport energy efficiency
VED | - Rotax depend on level of pollution of vehicle
36
Reducing London is carbon footprint
London buses Cycle hire sceme Congestion charge
37
London buses
Hybrid since 2012 | 40% less co2 produced
38
Cycle hire sceme
Provide 6000 bikes | 400 docking stations
39
Congestion charge
Raises revenue | Traffic fell
40
Energy security
Access to reliable and affordable sources of energy
41
Energy Diversification
Spreading energy sources around more types
42
HEP schemes
N- Floods local peoples homes and intermediate technology | P- Irrigated land and supply water to cities
43
Solar energy
N- Expensive to install and less affective in winter | P- can produce large amounts of electricity
44
Hydrogen fuels
N- expensive | P- clean and efficient
45
Carbon taxes
- establish price on greenhouse gas emission | - companies pay per tonne carbon
46
Carbon taxes good in theory
- reduce carbon | - find alternate renewable sources
47
Carbon taxes | Difficult in practise
- Gas price rise | - affect emerging and developing countries
48
Why agreement is difficult
- Climate change scepticism - no global consensus - countries have different level of development - competent business interests may vary
49
Rising affluence
- by local products - invest in more efficient cars - development of renewable energy
50
Education
- educated of effects of global warming - change attitudes - local rather than global focus
51
Changing attitude
- more aware - Green parties in elections - environmental pressure groups