State and Trends of the Carbon Market 2006 : Update, January 1-September 30, 2006
Carbon transactions are defined as purchase contracts or ERPAs (Emission Reductions Purchase Agreements) whereby one party pays another party in return for greenhouse gas (GHG) emissions reductions that the buyer can use to meet its compliance or corporate citizenship - objectives vis-a-vis GHG mitigation. Payment is made using one or more of the following forms: cash, equity, debt, or in-kind contributions.