Despite severely over-supplied carbon markets and lacking mitigation commitments, countries are currently developing additional carbon market schemes. At the same time, countries are contemplating what changes are needed to the underlying rules of the CDM. They are also negotiating REDD and other approaches to reduce emissions from international aviation. Throughout all these developments it is of utmost importance to take into account the lessons from the past. In order to achieve real benefits for climate and people, your voice on carbon markets will be important!