Q25. In the context of which of the following do some scientists suggest the use of the cirrus cloud thinning technique and the injection of sulphate aerosol into the stratosphere?
(a) Creating artificial rains in some regions.
(b) Reducing the frequency and intensity of tropical cyclones.
(c) Reducing the adverse effects of solar wind on the Earth.
(d) Reducing global warming.
Answer: D
- Stratospheric Aerosol Injection (SAI) proposes spraying particles into the upper atmosphere to block sunlight. SAI acts as a reflective barrier against incoming sunlight ultimately resulting in cooling the planet. The use of sulphate is due to its property to be able to reflect all radiations. Thus, the Cirrus cloud thinning technique and the injection of sulphate aerosol into the stratosphere are used to reduce global warming
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