A binational government agency established in 1955 to protect the Great Lakes and the economies and ecosystems they support.
Joined March 2014
- Tweets5.9K
- Following1K
- Followers6.7K
- Likes2.5K
Thank you to @MayorSeanRyan for joining our #GreatLakes Stormwater Summit in Buffalo! We appreciate his focus on improving stormwater infrastructure to connect people to the waterfront, enhance water quality, and ensure the future economic success of Great Lakes cities.
94
Thank you to @RepTimKennedy for joining our #GreatLakes Stormwater Summit in Buffalo! We appreciate his recognition of the importance of stormwater management on the Great Lakes, including through his introduction of the bipartisan STORMWATER Act.
1
143
Mark your calendar for the 2027 #GreatLakes Commission Semiannual Meeting and #GreatLakesDay!
The Semiannual Meeting will take place March 2-3 at the Yotel Washington DC. Great Lakes Day will be March 4 on Capitol Hill.
More details soon at glc.org/greatlakesday!
1
72
Leaders from across the #GreatLakes basin gathered in Toronto last week for our 2026 Annual Meeting.
Commissioners called for more action to fight harmful algal blooms and address the water workforce gap. Learn more: ow.ly/B4yn50ZXIu9
GreatLakesCommission retweeted
🚢Administrator McCoshen was pleased to join our Great Lakes partners at the @GLCommission's 2026 Annual Meeting this week, celebrating collaboration and our shared commitment to protecting the #GreatLakes #StLawrence #SeawaySystem🌊🤝
Day one of our 2026 Annual Meeting was a true celebration of collaboration across the #GreatLakes! Highlights included opening remarks from @ONenvironment Minister @ToddJMcCarthy, thought-provoking expert panels, and valuable insights from our official Observers.
Day one of our 2026 Annual Meeting was a true celebration of collaboration across the #GreatLakes! Highlights included opening remarks from @ONenvironment Minister @ToddJMcCarthy, thought-provoking expert panels, and valuable insights from our official Observers.
We were especially honored to hear from the Deshkan Ziibiing Indigenous Guardians, whose voices are vital to the future of our shared waters.
Attendees also experienced the Biinaagami Giant Floor Map—an interactive, augmented-reality journey that brings the #GreatLakes to life!
55
Yesterday, we proudly planted a native red oak in Toronto’s Biidaasige Park, kicking off our Annual Meeting week in the province! As part of the #GreatLakes Governors & Premiers’ Trees and Green Events initiative, we’re committed to sustainable practices.
#GLCToronto26
1
2
138
We also brought commissioners together for a dynamic work session, followed by an waterfront tour showcasing inspiring revitalization, restoration, and conservation efforts along the Don River Port Lands and at Tommy Thompson Park.
1
56
Today, we’re excited to welcome our Observers, partners, and friends as we officially launch the Annual Meeting! #GLCToronto26
36
Registration for next week's Great Lakes Commission Annual Meeting closes TODAY, September 28, at 5:00 p.m. ET / 4:00 p.m. CT!
For more information and to register, visit glc.org/meetings/annual
2
142
Registration for the 2026 Great Lakes Commission Annual Meeting closes at 5:00 p.m. ET / 4:00 p.m. CT next Monday, September 28!
For more information and to register, visit glc.org/meetings/annual
1
153
The U.S. Senate is set to consider bipartisan legislation to officially recognize the GLC as a regional partnership for the #GreatLakes!
A huge thank you to @SenGaryPeters and @berniemoreno for championing this effort.
ow.ly/4AAw50ZOt56
2
167
We’re looking forward to welcoming Matt Hudson from @BurkeCenterEco as a speaker at our annual meeting next month!
He’ll be sharing insights on the timely topic of harmful algal blooms in Lake Superior. ow.ly/34LA50ZOrjc
1
153
Excited to see @RepTimKennedy, @RepDebDingell & @RepLangworthy champion the bipartisan STORMWATER Act! Supporting Stormwater Centers of Excellence and highlighting the #GreatLakes as a vital, yet vulnerable, resource.
Learn more: ow.ly/P8te50ZGcvA
142
Registration is now open for the 2026 #GreatLakes Commission Annual Meeting, to be held October 6-8 at the Marriott Downtown at CF Toronto Eaton Centre in Toronto, Ontario!
More information is available at glc.org/meetings/annual
105
AquaSale is here! Instantly check state & federal rules before buying or selling aquatic plants and animals online, and help protect our #GreatLakes from #invasivespecies. Powered by GLC & National Sea Grant Law Center.
Learn more: ow.ly/NpIf50ZENyV
116
Thanks to @RepTonyWied for joining our #GreatLakes Sediment and Nutrient Reduction Program grantees at their recent meeting in Green Bay! We are grateful for his insights on Great Lakes issues and the vital role of the Great Lakes Restoration Initiative (#GLRI).
1
1
132
In 2025, GLSNRP awarded $1.76M to local groups to reduce the runoff of sediment and nutrients into the #GreatLakes. Since 2016, these projects have prevented 200K lbs of phosphorus, 400K tons of sediment and millions of gallons of stormwater from entering the lakes.
1
51