Great Lakes mussels are giving scientists a clearer picture of where the chemicals are concentrated, according to a recent report.
Great Lakes News Collaborative

Bridge Michigan, Circle of Blue, Great Lakes Now at Detroit Public Television, The Narwhal and Michigan Public work together to report on the most pressing threats to the Great Lakes region’s water. This independent journalism is supported by the Charles Stewart Mott Foundation.
Water’s True Cost
As the nation prepares to pour hundreds of billions of federal dollars into rescuing water systems, the Great Lakes News Collaborative investigates the true cost of water in Michigan. Read the series.
Ready or Not
The Great Lakes region is frequently touted as one of the most climate-resilient places in the U.S., in part because of its enviable water resources. But climate change also threatens our water. The Great Lakes News Collaborative explores what it will take to prepare. Read the series.
New PFAS guidelines spark more ‘do not eat’ warnings for Michigan fish
Anglers are warned not to eat their catch from 98 Michigan waterbodies, up from 33 last year, after state officials revised their health guidance in light of growing evidence that PFAS is more toxic than previously thought.
Great Lakes slightly colder than usual ahead of summer
As May’s cooler temperatures give way to summertime warmth in Michigan, the Great Lakes are slightly cooler than usual but warming. But where are Michigan’s warmest waters?
Despite US research resistance, Great Lakes aims to be Silicon Valley for water
Unlike Silicon Valley’s ascent, which was significantly bolstered by steady public research funding—federal investment, for instance, paid 25 percent of the cost of developing the transistor—Great Lakes blue economy development is taking shape in an era of resistance to US government research outlays.
Thunder Bay is bringing its Great Lake shoreline back
Thunder Bay’s shoreline has seen decades of pollution, but an agreement between Canada and the U.S. has seen massive investments of time and money to clean it up.
Michigan’s fight against Lake Erie pollution didn’t work. What happens next?
Michigan, Ohio and Ontario failed to reduce the total phosphorus entering Lake Erie in 10 years. State officials and environmentalists are butting heads on where to go from here.
Are data centers a threat to the Great Lakes?
One of the poorest cities in Michigan has a proposed $3 billion data center as a potential lifeline — but environmentalists and locals warn of high costs to water, climate and community.
Safe for Michigan farms or poison? Battle intensifies over future of Roundup
With the election of President Donald Trump, the conflict over glyphosate’s risks and benefits entered a new realm of confrontation that has the potential to alter its stature as the favored chemical tool in agriculture, the largest user of fresh water in the blue economy of Michigan and the Great Lakes.
Will the money come to finish the Soo Lock expansion in Michigan?
The lock construction is facing an upcoming financial deadline. Under the current Continuing Resolution budget in Washington, the money for the new lock needs to be allocated before Sept. 25.
An $80M cleanup made Muskegon Lake trendy. Will 'eco-gentrification' follow?
Once ringed by polluting factories, Muskegon Lake has attracted a wealthier clientele to blue-collar Muskegon thanks to a taxpayer-funded cleanup. Cheers about the economic gains are mixed with fear that the lakeshore will become ‘a gated community.’