We are living in a rapidly changing world, where we need creative and flexible solutions to problems. We are well into a man-made climate and environmental emergency with potentially catastrophic consequences. Despite this depressing backdrop, there is evidence that change is beginning to happen. Governments and Big Business around the world are finally formulating and implementing policies that will nurture the development of circular economies. Social Enterprise has an important role to play, and this article outlines the great work being done by Social Enterprises around Ireland.