The workshop 'Regions at Work for the Bio-economy' will take place from July 7-9, 2014, in Rennes, France, focusing on converting bio-wastes into efficient fertilizers. It aims to bring together stakeholders to discuss regulatory, technological, and financial challenges while sharing experiences from successful bio-economy initiatives. The event will include site visits and working groups to explore and develop inter-regional cooperation on bio-waste recycling in a supportive regulatory environment.