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The Chicago River is a lot cleaner than it used to be. And after years of litigation, the Metropolitan Water Reclamation District and environmental groups have agreed to a settlement and will work together to make the river even cleaner. 

Part 3 of our series examining pollution on Chicago’s Far Southeast Side

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S.H. Bell’s South Avenue O Terminal in Chicago (Chicago Tonight)

A group of Southeast Side residents and activists met Tuesday night to formulate a plan for confronting the latest threat of pollution in one of Chicago’s most industrialized areas.

Part 2 of our series examining pollution on Chicago’s Far Southeast Side

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The carefully documented history of manganese emissions in a small Ohio city serves as a warning for those concerned about newly discovered manganese concentrations on Chicago’s Far Southeast Side.

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S.H. Bell Co., a company linked to potential manganese pollution on Chicago’s Far Southeast Side, said Thursday it is not the sole emitter of manganese dust in the area. 

Part 1 of our series examining pollution on Chicago’s Far Southeast Side

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(Alex Ruppenthal / Chicago Tonight)

For decades, residents on Chicago’s Far Southeast Side lived with clouds of black dust from nearby industrial sites. Now, the community faces a more dangerous pollutant: manganese. 

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(Courtesy of the Sierra Club)

Several dozen employees based in the Environmental Protection Agency’s Chicago office joined a downtown rally Monday afternoon to protest President Donald Trump’s nomination to lead the agency.

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Heartland Institute President and CEO Joseph Bast (Courtesy of Heartland Institute)

With an expected audience of officials appointed by President Donald Trump, the Heartland Institute hopes to reset U.S. climate policy, which is also the theme for its upcoming International Conference on Climate Change.

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(Solar Energy Industries Association)

Cook County is more than halfway through a multiyear project that aims to make solar energy more affordable for residents.

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The decadeslong fight to clean up the Chicago River took a step forward last week with the resolution of two lawsuits targeting phosphorous discharge that has polluted waters from Chicago to the Gulf of Mexico.

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(Daniel Dionne / Flickr)

Dozens of Chicago activists met last week to plan a defense of environmental policies that appear vulnerable under the administration of President Donald Trump.

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Organized by the nonprofit Center for Biological Diversity, Earth2Trump is a series of rallies aimed at building “resistance to all forms of oppression and all attacks on the environment,” the group states.

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Trump International Hotel & Tower Chicago (TonyTheTiger / Wikimedia Commons)

Donald Trump is no friend of the environment. And based on new energy use data from the city, neither is his trademark Chicago skyscraper.

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Motorists will be without a single testing center within Chicago city limits starting Nov. 1.

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Some farm groups are criticizing a new report about the hazards of atrazine, a herbicide that was banned by the European Union more than 10 years ago.

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The Environmental Protection Agency recently installed a park bench equipped with air pollution sensors at a CPS elementary school. It's one of just seven such benches in the U.S.

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The disaster in Flint has spotlighted the dangers and adverse health outcomes of lead seeping into communities’ drinking water. Elizabeth Brackett reports on the lead pipes carrying water into Chicago and suburban homes.