International Pellet Watch (IPW)


Global, primarily focused on western European coasts and east asian seas and coasts


Global monitoring of POPs by using beached plastic resin pellets.

IPW is a volunteer-based global monitoring program designed to monitor the pollution status of the oceans. Since its launch in 2005, ~ 80 groups and individuals from ~ 50 countries have been participatingĀ in this project to cover ~ 200 locations around the world. We focus on persistent organic pollutants (POPs) such as PCBs and organochlorine pesticides. Because of their bioaccumulative nature and adverse effects on marine organisms and humans, POPs are regulated by an international treaty (i.e., Stockholm Convention)

Link to IPW website

Link to IPW map