The Joint Implementation Quarterly (JIQ) is an e-magazine published by the JI Network in Groningen, the Netherlands.Its aim is to provide background information and discussions about the latest developments in the field of greenhouse gas emissions trading, both quota-based and project-based emissions trading.The main focus has been on the flexibility mechanisms of the Kyoto Protocol, the Clean Development Mechanism (CDM) and Joint Implementation (JI), and on the EU Emissions Trading Scheme.JIQ also invites readers to initiate discussions on technical and policy-related topics. The first issue of JIQ was published at the first Conference of the Parties to the UNFCCC in March 1995 (Berlin) and since then more than 10 volumes have been published.