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(Frank McNamara / Flickr)

Researchers from Cornell University and the EPA are raising concerns about the potential impact of recently discovered non-invasive species on the overall health of the Great Lakes.

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(Frank McNamara / Flickr)

When it comes to the health and maintenance of Lake Michigan, some environmentalists, property owners and even surfers have expressed their concerns. What the future may hold.

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(Karen Murchie / ©Shedd Aquarium)

Why more than two dozen volunteers have been tracking migrations of white and longnose suckers, an often overlooked family of fish. 

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An accident in the Straits of Mackinac is raising new fears about a possible oil spill disaster in the Great Lakes.

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The Chinese tech company Foxconn wants to withdraw 7 million gallons of water a day from Lake Michigan for its proposed new Wisconsin plant. But would that violate the compact to protect the Great Lakes?

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Cape Town, South Africa, could soon be the first major city to run out of water. What lessons can Chicago share – and learn?

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A silver carp was captured in June in the Illinois Waterway below the T.J. O’Brien Lock and Dam, about 9 miles from Lake Michigan. (Courtesy of Illinois Department of Natural Resources)

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.

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(Frank McNamara / Flickr)

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.

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Streaks of snow stretching across the Great Lakes captured by a NASA satellite on Dec. 9, 2006. (NASA)

Lake Michigan is getting warmer, and eventually it will mean winters with less snow in Chicago. But don’t plan yet for winters free of the white stuff.

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The U.S. Army Corp of Engineers says the best place to stop Asian carp from getting into the Great Lakes is the Brandon Road Lock and Dam in Joliet. But the state says the plan is too expensive for Illinois taxpayers and the shipping industry.

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A hefty Bighead carp, one of several types of Asian carp, caught in a net near Morris, Illinois. (Evan Garcia / Chicago Tonight)

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

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A silver carp was captured Thursday in the Illinois Waterway below the T.J. O’Brien Lock and Dam, about 9 miles from Lake Michigan. (Courtesy of Illinois Department of Natural Resources)

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

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(Roman Boed / Flickr)

Chicago data scientists competed against teams from Canada and the Netherlands in an annual event that highlights the innovative use of technology to improve the water quality of the Great Lakes. 

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A view of the Great Lakes from space. (USEPA Environmental-Protection-Agency / Flickr)

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.

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Advocacy group Milwaukee Water Commons holds an event in support of clean water in August 2016. (Milwaukee Water Commons)

Organizers of a clean water summit in Chicago next week hope to draft a plan for replacing the city's nearly 400,000 lead water pipes. 

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(U.S. Fish and Wildlife Service)

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.

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