Correct Option: D

A report from the World Bank said India was the second largest seller of carbon credits in the world with a 6% share in 2007, while China topped the list with a 73% share. Regulation constraining carbon emissions spawned an emerging carbon market valued at $64 billion in 2007, according to World Bank’s “State and trends of the carbon market 2008”. India and Brazil, at 6% market share each, transacted the highest volumes after China in 2007.