Energy efficiency policy has delivered important energy savings in the past 30 years but the results are far from the doubling of improvement rates that are implied by low-carbon scenarios. What institutional, organisational and policy changes are needed to make a step change in improvement rates? * This is one of the questions that will be addressed at the High-level Workshop on Governance for a Low-Carbon Society. * Follow the outcomes of the debate on the 3-4 December. * Contribute with your comments.