Under the Canada-U.S. Great Lakes Water Quality Agreement, the Parties to the Agreement – the U.S. and Canadian Governments – conduct a review of the operation and effectiveness of the Agreement every nine years.

Under the Great Lakes Water Quality Agreement, Canada and the United States have agreed to identify chemicals of mutual concern (CMC) and develop strategies to reduce their release into the waters of the Great Lakes.

Below are materials documenting the GLEC meeting held on June 25, 2024 in Duluth, Minnesota.

The “Quarterly Climate Impacts and Outlook: Great Lakes Region” is a brief bulletin published jointly by the National Oceanic and Atmospheric Administration and Environment and Climate Change Canada, summarizing the latest season’s weather and water level conditions and weather and water level-related impacts over the Great Lakes and provides an outlook for

It is with great excitement that we announce the upcoming Great Lakes Water Quality Agreement’s Climate Change Impacts Annex Webinar which will take place on Friday, January 24th from 11 a.m. – 12 p.m.

Please join us on Thursday, January 23 from 10:30 a.m. -12:00 p.m. eastern / 9:30 a.m. -11:00 a.m. central for a webinar that will provide updates on work under the Nutrients Annex of the Great Lakes Water Quality Agreement.

The 2023 Annual Climate Trends and Impacts Summary for the Great Lakes Basin, led by Environment and Climate Change Canada and the U.S. National Oceanic and Atmospheric Administration and a partnership of climate services organizations in the U.S. and Canada, provides an overview of the climate trends and impacts in the basin for the year, including:

The “Quarterly Climate Impacts and Outlook: Great Lakes Region” is a brief bulletin published jointly by the National Oceanic and Atmospheric Administration and Environment and Climate Change Canada, summarizing the latest season’s weather and water level conditions and weather and water level-related impacts over the Great Lakes and provides an outlook for the upcoming quarter