The CHIMERA team participated in Ecomondo 2021, October 26-29, 2021, a reference kermesse in Europe for the ecological transition and the new models of circular and regenerative economy. An event dedicated to the green economy, with the tenth edition of the States General of the Green Economy, with a focus on the policies and measures necessary to support the ecological transition and meet the European climate objectives, with particular attention to digital transformation, one of the cornerstone of the Green Deal. For the CHIMERA LIFE15 ENV / IT / 000631 project team, the participation in the event was also the opportunity to meet with Ing. Mario Lionetti, CHIMERA Project Officer in Brussels, and Monitor Carlo Ponzio, at stand 32 in the South Hall, of the European Climate, Infrastructure and Environment Executive Agency (CINEA).