SEALIVE (Strategies of circular Economy and Advanced bio-based solutions to keep our Lands and seas alIVE from plastics contamination) is a European innovation project, funded through Horizon 2020, that will bring advanced bio-based plastic solutions to the market, providing viable alternatives to single-use plastics. SEALIVE will reduce plastic waste and contamination on land and in seas by boosting the use of biomaterials and contributing to the circular economy with cohesive bio-plastic strategies.