From Stakeholder To Guardianship: making decisions for perpetual care

In 2015 Ontario passed the Great Lakes Protection Act. One key difference to this Act was the establishment of Guardians Council. The Great Lakes Commons community is encouraged by this difference because the focus on 'Guardianship' aligns well with many of our principles. But how might a Guardian protect the waters differently than a typical stakeholder? What can a Great Lakes Commons offer this new Council?