Dossier
St Lawrence Seaway
Coverage of St Lawrence Seaway in the Nexus archive.
- Sharp drop in ‘forever chemicals’ in seabird eggs hailed as win for regulation
Levels of PFAS in northern gannet eggs in Canada have dropped by up to 74% over a 55-year period, according to a new peer-reviewed study. The decrease is attributed to effective regulations. Researchers analyzed PFAS levels in eggs from the St Lawrence Seaway basin.