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(Creative Commons /  © 2013, Jeremy Atherton)

A coalition of states and cities sue the EPA over its regulation of emissions of methane, a potent greenhouse gas that contributes to global warming. 

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(Google Maps)

A brain-damaging pollutant found at high levels near thousands of Southeast Side homes would be banned at future industrial sites under a new ordinance introduced by city officials Wednesday.

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(Jeremy Atherton / Wikimedia Commons)

Mayor Rahm Emanuel joined 230-plus mayors Tuesday in formally opposing the Trump administration’s proposed repeal of the Clean Power Plan, which aims to reduce carbon emissions that contribute to climate change.

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(Daniel Schwen / Wikimedia Commons)

Chicago’s tallest building is being recognized for its standing atop another category: energy efficiency.

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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)

EPA Administrator Scott Pruitt told representatives of a children’s health group last week that he wants to eliminate lead from drinking water within 10 years, but he has yet to offer a strategy to meet the goal.

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(Pixabay)

Public and abandoned properties in the Chicago area might appear a little less cluttered. The Illinois EPA collected 598.5 tons of used tires in December as part of a state program to mitigate hazards associated with them.

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S.H. Bell's bulk storage facility along the Calumet River on Chicago’s Southeast Side. (Alex Ruppenthal / Chicago Tonight)

Chicago public health officials have signed off on a Southeast Side company’s updated plan to cut emissions of brain-damaging manganese dust that regulators say pose a health risk to nearby residents.

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

A Southeast Side company must install air monitors to detect levels of dust emissions from heavy metals processed on-site, according to a letter issued by the city this week.

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Children on Chicago’s Southeast Side have higher levels of manganese in their toenails than children in other parts of the city, according to preliminary results of a study aiming to measure the impact of toxic metals on children’s health. 

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Cathy Stepp, left, former secretary of Wisconsin’s Department of Natural Resources, will take over in 2018 as head of the EPA’s regional office in Chicago. (Wisconsin Department of Natural Resources)

Former Wisconsin politician Cathy Stepp “will bring a fresh perspective” to the EPA, agency chief Scott Pruitt said Tuesday. But the announcement drew blunt criticism from the group’s national employee union.

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

Officials responding to last week’s oil spill in the South Branch of the Chicago River have recovered dead wildlife from the water, including 43 fish and four turtles. The source of the spill is still unknown, according to the EPA. 

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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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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 says the source of an Oct. 26 oil spill remains unknown, but cleanup efforts continue this week along the 1.5-mile stretch of the south fork of the South Branch of the Chicago River.

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