Geo-engineering techniques used to combat climate change

Posted on : 20 Dec 2019

Various Carbon dioxide removal techniques (CDR)

• Reforestation and afforestation
• Ocean fertilisation using phytoplankton and iron
• Biochar production
• Artificial trees and scrubbers
• Carbon filtering
• Carbon burial
• Direct Air Capture

Solar geo-engineering, or “solar radiation management” (SRM)

• Stratospheric aerosol injection
• Marine cloud brightening
• Cirrus cloud thinning (CCT)
• Space reflectors

Article Related Questions

1. Which of the following statement are correct regarding different geo-engineering techniques used to combat climate change?
   1.Carbon dioxide removal techniques (CDR) are used to remove carbon dioxide from the atmosphere.
   2.Solar radiation management (SRM) are technologies to rapidly cool the Earth by reflecting solar energy back to space.
   3.‘Stratospheric aerosol injection’ and ‘carbon filtering’ are examples of Carbon dioxide removal techniques.
   Choose the correct answer:

1.1 only

2.2 only

3.1 and 2 only

4.1, 2 and 3

Right Ans : 1 and 2 only

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