Energy

Question 1

Wind energy advantages

Answer 1

• Clean fuel source → doesn’t pollute the air
• Sustainable → doesn’t run out
• Little cost → one of lowest priced renewable energy
• Abundent → found everywhere, MEDCs + LEDCs can use it

Question 2

Wind energy disadvantages

Answer 2

• Good sites are normally far away → costs money to transfer the energy
• Noisy and unaesthetic → loud and ugly
• Rotors may damage wildlife

Question 3

Nuclear energy problems

Answer 3

• Dangerous waste product → uranium and platium stay radioactive for 1000s of years

↳ billions of £s used to contain

• Lots of water used → make sure water is not contaminated
• High costs → LEDCs can’t use it
• If something goes wrong, many people can be contaminated

↳ chldren 5 generations down could be born with defects

Question 4

Fuelwood in DR Congo (LEDC)

Answer 4

• Around 2.6 billion people in LEDCs rely on fuelwood alone for cooking + heating (around 40% of the world)
• Demand exceeds dead and fallen branches → deforestation
• All other forms of energy is: too expensive, lack of technology or not right geology

Question 5

Deforestation in DR Congo

Answer 5

• 80% of DR Congo live in poverty
• Commercial logging removed many trees in 1998
• 70% of the population rely on farming and need fuelwood + charcoal from the forest
• Clearance for farming and hunting bush meat
• Government don’t monitor deforestation