Project Refill_H20 aims to eliminate the use of plastic water bottles in the 6 schools of the Polytechnic Institute of Viana do Castelo (IPVC), respective bars, canteens and halls of residence .ICT and IoT technologies will encourage autonomy,pedagogically helping users to acknowledge,I dentify and reduce their environmental footprint. Applying the principles of circular economy, this academic project promotes the reduction of plastic consumption,production and waste.Contributing towards a paradigm shift,sustainable design canvasses conditions to reduce plastic in the oceans