Q. Which among the following is a light-absorbing particle in the Earth’s atmosphere that has the unique characteristics of both cooling the planet’s surface and warming its atmosphere?
Red Book
Red Book

[A] Black carbon

[B] Blue carbon

[C] Brown carbon

[D] Green carbon

Answer: C
Notes:

Black carbon (BC) is a short-lived climate pollutant. It is the second-largest contributor to warming the planet after carbon dioxide (CO2).

Blue Carbon: It refers to coastal, aquatic and marine carbon sinks held by vegetation, marine organisms, and sediments.

Green Carbon: It is the carbon that is stored in terrestrial ecosystems such as forests, pastures, and soils.

Brown Carbon: It is a light-absorbing particle in the Earth’s atmosphere that has the unique characteristics of both cooling the planet’s surface and warming its atmosphere.

Source: EPIC, July 2021.

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