IPART has released a Legacy Report on the NSW Greenhouse Gas Reduction Scheme (GGAS) titled NSW Greenhouse Reduction Scheme – Strengths, Weaknesses and Lessons Learned. The report discusses the Scheme’s design parameters, its costs, what contributed to its success and the high levels of compliance achieved. It also discusses areas where improvements could have been made to deliver better outcomes. The report also includes comments from a range of stakeholders, commentators and participants on their experience with and perspective on the Scheme.