Blue Accounting helps Great Lakes communities set shared goals and measure whether we are achieving them by transforming existing data into useful information. Working together, we can improve the decisions we make to ensure the Great Lakes will always be the backbone of our region, supplying fresh water and natural beauty and serving as a powerful economic engine. Read our story


Introducing a smarter, more comprehensive approach to
monitoring our Great Lakes water resources. 

Aquatic invasive species cost Great Lakes communities and businesses millions of dollars each year.

Only about half of Great Lakes coastal wetlands are left, and we are working to protect and restore them for future generations.

The Great Lakes Source Water Initiative is collaborating across borders to protect the waters that serve as the source of drinking water for 48 million people within the Great Lakes and St. Lawrence River basin.