human intervention in carbon cycle

Question 1

what is carbon capture and storage

Answer 1

factories capture and transport co2 via pipelines to depleted gas fields + saline aquifers

Question 2

2 benefits of CCS

Answer 2

-can capture up to 90% of co2 produced
-can be fitted to exsiting coal power stations

Question 3

drawbacks of CCS

Answer 3

-expensive, not all countries will have capacity to use CCS
-cannot deliver zero emissions, only solution is to stop burning coal, oil and gas

Question 4

give 2 types of carbon removal strategies

Answer 4

BIOLOGICAL = afforestation, changing farm practises
TECH/CHEMICAL = CCS