"MRV, leadership and groups/clubs/coalitions" were the buzzwords at the Summer Retreat of the International Partnership on Mitigation and MRV held in Mexico in September 2015. This knowledge product builds upon the discussions from the Summer Retreat and aims at demonstrating that building a coalition of countries to lead the way in Measurement, Reporting and Verification (MRV) can be an effective way of ensuring countries rise above the floor of minimum requirements for transparency in their climate actions.