The Geneva-based IETA has been the leading voice of the business community on the subject of emissions trading since 2000.  Our 130+ member companies comprise some of the nation’s and the world’s largest and most respected businesses, including global leaders in oil & gas, electricity, cement, aluminum, chemical, and futures exchange; as well as leading firms in the area of data verification, finance, law, and consulting. IETA promotes emissions trading as an essential part of an effective and efficient response to climate change and engages in all aspects of the development of emission trading systems, acting as a policy think tank, advocate to governments, and convener of dialogues.