The 'Common Carbon Metric', supported by UNEP, has been developed for
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Answer: A. The Common Carbon Metric was developed by UNEP's Sustainable Buildings and Climate Initiative. It gives a common way to measure energy use and carbon emissions from building operations worldwide.
Watch for: The broad word 'Common' tempts students toward a country or global measure; it is buildings-specific.
Why the other options are wrong
- B. Wrong because it is not about farm entities and carbon trading.
- C. Wrong because it is not a national carbon inventory tool.
- D. Wrong because it does not measure global fossil fuel use per unit time.
Source to check: UNEP Sustainable Buildings and Climate Initiative (UNEP-SBCI), Common Carbon Metric (2009)
Answer from the official UPSC key. Written and fact-checked by AI against the official key. Spotted a mistake? Report it.