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Calumet River (Courtesy Friends of the Chicago River)

A new $960,000 grant will improve 2.5 miles of streams for nearly 20 species of fish and create 10 acres of neighborhood green space in the Chicago-Calumet region. 

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EPA Administrator Scott Pruitt speaks April 19 after meeting with residents of East Chicago’s lead-contaminated neighborhoods. (Alex Ruppenthal / Chicago Tonight)

Since the inauguration of President Donald Trump, dozens of employees have left the EPA’s Region 5 office in Chicago. Current and former employees say the loss of staff is already putting a strain on operations. 

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Workers from the Environmental Protection Agency respond to an oil spill Oct. 26 at a fork of the Chicago River known as Bubbly Creek. (EPA)

The EPA likely won’t be able to determine the source of a late October oil spill in the Chicago River because the agency was notified about the spill two days after it occurred, the EPA said Tuesday. 

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An overhead view of Watco’s storage terminal in Chicago at 2926 E. 126th St. (Google)

Environmental advocates say a Southeast Side storage company violated city standards for air pollution earlier this year. But the company disagrees, asserting that the state’s more lenient law applies. 

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Two months after becoming the first company approved for fracking in Illinois, Woolsey Operating Company has withdrawn its permit. 

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(Trey Ratcliff / Flickr)

After cutbacks at the EPA and skepticism within the Trump administration about climate change, the city of Chicago has made clear its intention to step up efforts to protect the environment.

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An overhead view of Watco's storage terminal at 2926 E. 126th St. in Chicago. (Google)

A Southeast Side company tipped off regulators to its own violation of city air pollution standards, documents submitted to the city show. 

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(Jeremy Atherton / Wikimedia Commons)

In an effort to fill a void created by federal and state agencies that have cut back environmental oversight, Chicago plans to expand its environmental enforcement division.

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U.S. Sen. Dick Durbin is among a handful of legislators behind a bill that would strengthen legal protections for communities disproportionately impacted by pollution and other environmental threats.

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Hundreds of anglers participate in the #ChicagoFishes event Oct. 13 to celebrate decades of cleanup efforts to the Chicago River. (© Shedd Aquarium)

An American eel caught by a 5-year-old angler last week is possibly the first such eel ever recorded in the Chicago River, according to the Illinois Department of Natural Resources.

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(Daniel Dionne / Flickr)

A new poll on climate and energy reveals surprising attitudes from Americans. We talk with the leader of the University of Chicago study group.

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EPA Administrator Scott Pruitt speaks April 19 after meeting with residents of East Chicago’s lead-contaminated neighborhoods. (Alex Ruppenthal / Chicago Tonight)

Since 2010, the EPA has cited an East Chicago steelmaking facility six times for violations of the Clean Air Act. Now, a group representing nearby residents intends to sue EPA Administrator Scott Pruitt over the renewal of the company’s operating permit.

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(© Shedd Aquarium / Brenna Hernandez)

Since embarking on a new sustainability initiative, Shedd Aquarium has cut annual water use by more than half, from 60 million gallons in 2012 to 28 million gallons today.

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Before and after photos show an incidence of illegal dumping in Chicago. (Courtesy of Chicago Department of Streets and Sanitation)

Fifteen new high-resolution security cameras will target those who illegally dump old furniture, tires and other waste across the city.

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Sea creatures made from flip-flops, beach toys, water bottles and other plastic garbage that washed ashore are part of a new exhibit illuminating the proliferation of pollution in the world’s waterways.

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(Joel Wintermantle / University of Chicago)

A public art installation along the Chicago River aims to bring the realities of climate change in Antarctica to Chicago.