New York Mercantile Exchange (Nymex) has named a slate of US and international emissions contracts for its Green Exchange, bringing even more competition to the emissions exchange space.Green Exchange, a joint venture owned by Nymex and eight other firms, plans to launch a group of emissions futures and options on March 17 including contracts on European Union Allowances (EUAs), Certified Emission Reduction (CER), seasonal and annual nitrogen oxide (NOx) emission allowances and sulfur dioxide (SO2) emissions allowances. Nymex’s prior offering of SO2 and NOx contracts have not been successful.Futures will be listed on the CME Globex platform while options will be traded open outcry at Nymex with clearing running through the Nymex ClearPort platform. It is Green Exchange’s opening salvo in a bid to grab volume in the fast-growing emissions derivatives space.Randy Warsager, vice president of marketing at...