(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 foot-print caused by the use of fossil fuels by the world in a unit time

16. Ans: a

Explanation:

The Common Carbon Metric is the calculation used to define measurement, reporting, and verification for GHG emissions associated with the operation of buildings types of particular climate regions. 

This sector represents 40% of the world’s energy consumption and related 1/3rd of global greenhouse gas (GHG) emissions.

The CCM is developed by the United Nations Environment Program’s Sustainable Buildings & Climate Initiative (UNEP-SBCI).

Hence, option a is correct.

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