Energy sources and the environment

Question 1

In what order do oil, coal and gas release the most/lest co2

Answer 1

Coal
Oil
Gas

Question 2

What can coal mining do to the environment

Answer 2

Damage the landscape

Question 3

What can oil spillages do to the environment

Answer 3

Affect mammals and birds that live in and around the sea

Question 4

What is bad about nuclear waste

Answer 4

Dangerous

Difficult to dispose of

Question 5

What is good about nuclear fuel but bad about nuclear as a whole

Answer 5

Relatively cheap but overall cost is high due to power plant cost and decommissioning

Question 6

What is the main risk of nuclear power/ example?

Answer 6

Major catastrophe like Chernobyl

Question 7

What is the main disadvantage of biofuels

Answer 7

Deforestation causes loss of animal habitat

Question 8

What is Carbon capture and storage used for(2)

Answer 8

Reduce the amount of Co2 building up in the atmosphere

Reduce the strength of the greenhouse effect

Question 9

How does Carbon capture and storage work

Answer 9

Collects Co2 from the power stations before it is released into the atmosphere
The captured Co2 is then pumped into empty gas and oil fields where it can be safely stored without adding to the greenhouse effect

Question 10

What - apart from CCS - other ways are being explored to store Co2

Answer 10

Dissolving in seawater at the bottom of the ocean

Capturing with Algae

Question 11

What is an advantage of capturing the Co2 with algae

Answer 11

Can be made into biofuels