Eco expert Abyd Karmali will answers your questions on carbon trading.
(CNN) -- Karmali is Managing Director and Global Head of Carbon Emissions at investment bank Merrill Lynch, based in London.
He has 18 years' worth of experience working with climate change and the carbon markets.
In addition to working at Merrill Lynch, Karmali has worked with energy and environmental consultants ICF International, and also worked as Climate Change Officer at the United Nations Environmental Program's (UNEP's) Industry office in Paris, participating in the Kyoto Protocol negotiations.
He now serves as the President of the Carbon Markets and Investors Association and is a member of Her Majesty's Treasury Carbon Market Expert Group.
Click here to read his answers to your questions.