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U.S. Steel Midwest Plant on the shore of Lake Michigan, with the Indiana Dunes Portage Lakefront and Riverwalk Trail in the foreground, in 2019. (Patty Wetli / WTTW News)

The Environmental Protection Agency confirmed the “reddish-orange discharge” that poured into Lake Michigan on Sunday from a steel plant in Portage, Indiana, was caused by high levels of iron, and says there’s no indication of health risks for people who may come into direct contact with the water.

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U.S. Steel Midwest Plant on the shore of Lake Michigan, with the Indiana Dunes Portage Lakefront and Riverwalk Trail in the foreground, in 2019. (Patty Wetli / WTTW News)

U.S. Steel is reporting that a “rusty colored” discharge that poured into Lake Michigan on Sunday from its plant in Portage, Indiana, was due to elevated iron levels.

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Indiana Dunes National Park, with various industrial plants in the background, in 2019. (Patty Wetli / WTTW News)

Officials from the Indiana Department of Environmental Management are investigating a “rusty colored liquid” discharged from the U.S. Steel plant in Portage, spotted Sunday evening in the Burns Waterway.

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(Filmbetrachter / Pixabay)

Under the new law, restaurants will only provide single-use plastic utensils by request. Supporters called the ordinance an important first step toward waste reduction but opponents said it will do little to stem the plastic tsunami.

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A man walks along Rajpath amid smoggy conditions in New Delhi on Jan. 28. Air pollution is shaving nearly six years off people's lives in the country, on average. (Jewel Samad / AFP / Getty Images)

Air pollution is slashing years from billions of people’s lives around the world and is a greater threat to life expectancy than smoking, HIV/AIDS or war, a report published Wednesday shows. 

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Volunteers are needed for beach cleanups in September. (Courtesy of Shedd Aquarium)

As beach season winds down in Chicago, the Shedd Aquarium is hosting a series of weekend cleanups to clear the shoreline of a summer’s worth of litter and debris.

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Chicago River tour boats are reflected by a building window in Chicago, Wednesday, Sept. 1, 2021. (AP Photo / Nam Y. Huh)

Rowers, kayakers and other users of the Chicago River are getting a real-time look at one measure of water quality in the system that weaves through downtown and several neighborhoods. 

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General Iron’s metal-shredding operation in Lincoln Park. (WTTW News)

The parent company of a now-shuttered metal recycler on the North Side will pay a fine as part of an agreement to resolve charges that the firm’s operation violated the Clean Air Act, Environmental Protection Agency officials announced Wednesday.

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Nurdles found washed up on the beach at Dawlish Warren in Devon, England. (Partonez / Wikimedia Commons)

Each year, 22 million pounds of plastic finds its way into the Great Lakes – the source of potable water for more than 30 million Americans. We take a look at what can be done to limit plastic pollution.

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(Creative Commons / Jeremy Atherton)

Black and Latino neighborhoods in Chicago are more likely to be burdened by industries that pollute the air, ground and water, making environmental justice an important part of the equation as the country moves forward.

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An aerial shot of the newly constructed Southside Recycling, 11600 S. Burley Ave. (Courtesy of Reserve Management Group)

The parent company of General Iron, which wants to operate a metal shredding and recycling operation on Chicago’s Southeast Side, failed to notify city officials that a vacant building collapsed on the site of the proposed facility, officials said Thursday.

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An aerial shot of the newly constructed Southside Recycling, 11600 S. Burley Ave. (Courtesy of Reserve Management Group)

The city is conducting additional environmental studies after the head of the Environmental Protection Agency said the proposal raises “significant civil rights concerns.”

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(Courtesy of Plastic Pollution Coalition)

Strides being made against the use of plastic products were derailed by the coronavirus pandemic. Now, a global campaign is encouraging people to choose reusable materials over single-use plastic and get the reduction back on track.

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An aerial shot of the newly constructed Southside Recycling, 11600 S. Burley Ave. (Courtesy of Reserve Management Group)

A federal judge will not force the city to permit Reserve Management Group, the parent company of General Iron, to operate a metal shredding and recycling operation on Chicago’s Southeast Side.

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In this Tuesday, Oct. 30, 2012, file photo, Kim Bertini looks over some of the 15,000 dead fish that washed up near her backyard on Lake Madeline in Galveston, Texas. (Jennifer Reynolds / The Galveston County Daily News via AP, File)

Oxygen levels have dropped in hundreds of lakes in the United States and Europe over the last four decades, a new study found. And the authors said declining oxygen could lead to increased fish kills, algal blooms and methane emissions.

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A water lead testing kit. (WTTW News)

The city has yet to replace a single lead service line in the eight months that have elapsed since Mayor Lori Lightfoot rolled out her plan, officials acknowledged.