GEOENGINEERING

Question 1

What could geoengineering act as?

Answer 1

A spatiotemporal fix to climate change

Question 2

When was geoengineering first mentioned?

Answer 2

1965

Question 3

Who brought a resurgence of geoengineering in 2006 and why?

Answer 3

Crutzen, because of the climate emergency

Question 4

What is geoengineering defined as and who by?

Answer 4

The deliberate large scale intervention in the Earth’s climate system in order to moderate global warming (Royal Society, 2009)

Question 5

What are the 2 umbrella terms for geoengineering?

Answer 5

Black box engineering

Earth system enhancement

Question 6

What is CDR? What are the 3 methods discussed?

Answer 6

Carbon dioxide removal through;

Air capture and storage, which is expensive

Afforestation, which is cheap and easy

Ocean fertilisation with iron sulphates

Question 7

What is SRM and what are the 3 types?

Answer 7

Solar radiation management through increasing albedo

Crop albedo medication
Marine cloud brightening
SAI with sulphur - great potential, but has implications for ozone, air circulation, the Indian monsoon and has a large termination effect

Question 8

What are NCS and why are they desirable?

Answer 8

Natural climate solutions, such as land restoration and rejuvenation

Desirable as they are perceived as more natural