UPSC 2021 › Environment & Ecology › Climate Change & Greenhouse Gases

2 questions · 2021 · answers as per the UPSC key

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What is blue carbon?

(a) Carbon captured by oceans and coastal ecosystems
(b) Carbon sequestered in forest biomass and agricultural soils
(c) Carbon contained in petroleum and natural gas
(d) Carbon present in atmosphere
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Answer: (a) Carbon captured by oceans and coastal ecosystems

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

(a) assessing the carbon footprint of building operations around the world
(b) enabling commercial farming entities around the world to enter carbon emission trading
(c) enabling governments to assess the overall carbon footprint caused by their countries
(d) assessing the overall carbon footprint caused by the use of fossil fuels by the world in a unit time
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Answer: (a) assessing the carbon footprint of building operations around the world