<< Objectives >>The objective is to involve European VET learners and trainers in the first international VET competition to explore innovative Nature-based Solutions (NbS) in order to solve a real-world challenge through VET education. The challenge is launched by the company Agbar, as how to mitigate the effects of floods & improve the retention of water within the invented imaginary city 'Metropolis', which combines features of a typical city like Viborg (Denmark), Leuven (Belgium) and Barcelona (Spain).<< Implementation >>Once Agbar launches the challenge, VET learners and tutors will gather in 3 mixed international groups of students to work together to generate creative ideas to address the challenge (Creative VET Lab in Leuven), to come up with a prototype (Protoype VET Lab in Viborg), to elaborate a business plan (Accelerator VET Lab, virtual) and to present their final innovative NbS in an Awards Ceremony in Barcelona before an international jury who will recognise and prize the most innovative NbS prototype<< Results >>The expected results will be (1) to increase interest of VET learners in the future of water management in European urban areas, (2) to train and develop transversal/21st century skills during the process of generation of NbS, (3) to increase visibility of talented VET students for the water companies as pools of future employees capable to respond to real challenges and (4) to contribute to integrate NbS in the VET curricula of European VET providers.