The Mazovia Circular Congress took place in Warshaw for the second time on October 11th. The Congress, which is a meeting of Polish and world experts and practitioners, was an excellent opportunity to deepen knowledge on one of the priority economic trends for Europe, which is the circular economy. During the Conference circular business practices, unique start-up solutions and experiences of cities and regions from around the world, as well as real benefits from the transformation in the circular direction were presented. Together with collegues we presented world’s sustainable...