The Environmental Markets Association (EMA) is the leading US-based environmental trade association focused on promoting market-based solutions as the key to combat environmental problems. Founded in 1996 by a group of emissions traders, EMA’s current membership includes brokers, traders, consultants, lawyers, academics, government agencies, affected industries (e.g., utilities, manufacturing; transportation, construction), and financial/investment companies centered on the following transactional markets: SO2, NOx, CO2, RECs, ERC Offsets.