Surfer environmentalists and the University of Chicago intend to sue U.S. Steel over toxic Lake Michigan spills after it twice released more than the allowable quantity of a cancer-causing chemical into the waters this year.

A new team led by biologist Andrew Casper will expand Shedd Aquarium’s research of animals that live in local waterways—and how to protect them.

Nearly a dozen U.S. senators, including Dick Durbin of Illinois, are speaking out about the latest delay over a plan to keep invasive Asian carp out of the Great Lakes.

A key federal program responsible for protecting the Great Lakes is one step closer to being fully funded after it was targeted for massive cuts earlier this year in President Donald Trump’s proposed budget.

Records related to an April spill of a toxic metal into a Lake Michigan tributary have not been given to Chicago. The city is now threatening to sue U.S. Steel.

Chicago’s sewer and deep tunnel system couldn’t handle this weekend’s rain, allowing untreated sewage and stormwater into Lake Michigan.

A plan to fortify a barrier against Asian carp was set to be released in February but has been stalled by the Trump administration. 

As more cruises and kayaks join commercial barges on the river, some tour boat operators are concerned about safety. Learn the “rules of the road” for Chicago waterways.

An 8-pound Asian carp was discovered last week beyond an electric barrier designed to prevent the invasive fish from reaching Lake Michigan. 

Officials in Whiting, Indiana, think their city is about to become a whole lot more popular.

Same-day water testing conducted at UIC's School of Public Health will give Chicagoans more timely alerts about water quality at their favorite beaches this summer. 

Issues impacting the Great Lakes and communities surrounding the massive freshwater system will be at the center of a two-day conference in Chicago starting Wednesday.

With nearly $300 million in federal funding on the chopping block, leaders from across the Great Lakes region will convene next month in Chicago to address lead poisoning, oil pipelines and other threats to the area’s waters.

A spill last week at a U.S. Steel site in Northwest Indiana released an unknown amount of a potentially carcinogenic chemical into a Lake Michigan tributary, prompting the closure of three beaches at Indiana Dunes National Lakeshore.

Looking at the impact of a proposed funding cut to the program that aims to keep invasive species out of the Great Lakes.

Lake Michigan and other Great Lakes could see a substantial amount of federal funding dry up.