The two-day MARII workshop in Seattle convened approximately 60 researchers from around the globe. The workshop discussed progress in the field of microplastics risk assessment and provided participants the opportunity to present their latest research. View a summary and presentations from the workshop.

October 15 -17, 2025 (Madrid, Spain) The Summit is the flagship gathering of MARII, bringing together scientists from around the world to share cutting-edge research and foster new collaborations to advance microplastics science.