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(Ameren Illinois / Facebook)

Residents in central and southern Illinois will pay nearly 30 percent more on utility bills than projected if Ameren is allowed to lower its energy savings target, environmental and consumer advocates said Wednesday.

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The bulk storage operator on Chicago’s Southeast Side has exceeded a federal threshold for emissions of toxic manganese dust, according to new air monitoring data published by the EPA.

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The city will monitor soil and air pollution near residents’ homes and begin increased inspections of industrial sites. 

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An overhead photo of S.H. Bell's Chicago facility appears to show rust-colored stains from manganese handled by the company. (Google Maps)

A Chicago neighborhood once permeated with black dust from uncovered piles of petroleum coke now faces another toxic pollutant, but one that is not as visible or widespread.

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Chicago researchers are looking for lead, manganese and other metals that could affect lung function in children with asthma. 

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The Illinois senator is calling on federal environmental and public health regulators to conduct a new assessment of toxic pollutants in one of the city’s most industrialized areas.

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A first-of-its-kind study shows that giving people a financial incentive to save trees is an effective strategy for fighting climate change.

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(©Shedd Aquarium / Brenna Hernandez)

Stella the Seahorse is the first of 19 marine animal sculptures made from plastic debris on display at Shedd Aquarium. 

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(Daniel X. O'Neil / Flickr)

Efficiency plans filed by Ameren Illinois fail to comply with the state’s new energy law and could prevent the creation of additional jobs, according to a new report. 

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The trillion-ton iceberg is now drifting. While experts say it poses no immediate threat, is the event itself the precursor of more change to come as the global environment warms?

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First went the plastic bags, then the plastic straws. Now they’re coming for more. The Shedd Aquarium announces a new initiative to significantly reduce or eliminate the use of disposable plastic bottles by 2020.

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(Creative Commons /  © 2013, Jeremy Atherton)

A coalition of attorneys general and the city of Chicago is prepared to challenge the Trump administration’s environmental policies in court.

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Newly released data from air monitors on Chicago’s Southeast Side shows higher levels of manganese than previously recorded, prompting renewed calls for a ban of the toxic metal, which can cause nervous system damage at high exposures. 

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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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Americans use an estimated 500 million straws each day, but a Shedd Aquarium initiative is trying to put a dent in that figure. Last week, nearly two dozen restaurants joined the effort.

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(Creative Commons /  © 2013, Jeremy Atherton)

A new $450,000 federal grant program partners CPS students with university professors to study the impact of toxic metals on Chicago neighborhoods.