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Home› UPSC CSE› Prelims GS Paper I› 2021 questions› Question 18

UPSC CSE Prelims

Subject: Current Affairs Chapter: Environment

2021 PYQ

Question 18

The 'Common Carbon Metric', supported by UNEP, has been developed for

Choose one answer Aassessing the carbon footprint of building operations around the world Benabling commercial farming entities around the world to enter carbon emission trading Cenabling governments to assess the overall carbon footprint caused by their countries Dassessing the overall carbon footprint caused by the use of fossil fuels by the world in a unit time

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Correct answer: A

Correct Option: A (assessing the carbon footprint of building operations around the world) Explanation: UNEP-supported Common Carbon Metric provides a consistent approach to measuring energy use and greenhouse-gas emissions from building operations. Option-wise Analysis: A. Correct-its scope is operational carbon footprints of buildings. B. Incorrect-It is not a carbon-trading mechanism specifically for commercial farms. C. Incorrect-A national greenhouse-gas inventory covers the economy, not this building metric. D. Incorrect-It does not estimate all global fossil-fuel combustion emissions as one total.

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