The International Center for Climate Governance (ICCG), a joint initiative of the Fondazione Eni Enrico Mattei (FEEM) and the Fondazione Giorgio Cini, has announced the winners of the fifth edition of the ICCG Climate Think Tank Rankings, the rankings of the most cutting-edge worldwide institutions conducting research and policy support in the field of climate change. The ICCG think tank’s evaluation is based on a solid quantitative methodology and solid analytical data. Think tanks were assessed and classified on the basis of their performances in a set of 15 indicators, structured in three main pillars: Activities, Publications and Dissemination