Plastic never goes away. It just breaks down into smaller and smaller particles called microplastics. Researchers have found large amounts of microplastics in our Great Lakes – the source of drinking water for 40 million people.
Tell Your State: Keep Plastic Out of the Great Lakes & Our Drinking WaterProtecting Water, Sustaining Life
The Alliance for the Great Lakes is a nonpartisan nonprofit working across the region to protect our most precious resource: the fresh, clean, and natural waters of the Great Lakes.
Advocacy & Leadership
We partner with communities and decision makers to develop actionable solutions that protect the lakes and our communities.
Research & Analysis
Our research and analysis inform community leaders and guide policy to protect the Great Lakes.
Education & Action
We support people and communities in protecting the lakes by providing action-oriented information and programs.
Impact by the Numbers
200+
Sensors monitoring water quality in the Western Lake Erie Basin
13,000+
Messages advocates sent to federal and state decision-makers last year
10 million
Pieces of litter Adopt-a-Beach volunteers have removed from Great Lakes shorelines
Upcoming Events
Browse all eventsIn The News
See more newsWebinar
July 17, 2026
Webinar: What role can businesses play in reducing plastic pollution?
More than 22 million pounds of plastic pollution enter the Great Lakes every year, and meaningful solutions will require action from businesses, manufacturers, and governments alike. Join us for a […]
Blog
July 14, 2026
The Wisconsin primary election is almost here
Lake Michigan and Lake Superior need your vote! The Wisconsin primary election is almost here. Races up and down the ballot will affect the Great Lakes, our drinking water, our […]
Blog
July 14, 2026
The Minnesota primary election is almost here
Lake Superior needs your vote! The Minnesota primary election is almost here. Races up and down the ballot will affect Lake Superior, our drinking water, our health, and our wildlife. […]