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(Meagan Davis / Wikimedia Commons)

The Illinois General Assembly has voted to repeal a decades-old law that prohibited the state from implementing its own restrictions on greenhouse gas emissions.

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As new products come on the market, traditional beef patties are being challenged by plant-based alternatives. (Engin_Akyurt / Pixabay)

There might be a new kind of meat cooking on the grill this weekend: alternative meat. But what is it? And why the craze?

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Environmental activists rallied outside Chase Tower in Chicago on Tuesday, May 21, 2019 to protest JPMorgan Chase & Company’s financing of fossil fuel projects. (Alex Ruppenthal / WTTW)

Dozens of environmental activists from across the Midwest rallied Tuesday outside Chase Tower in the Loop to protest the financing of fossil fuel projects by the country’s largest bank.

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(Chicago Tonight file photo)

Doug McConnell has swam in New York’s Hudson River, the Boston Harbor and even the English Channel. Now he wants to make a splash in his own city.

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Illinois Attorney General Kwame Raoul appears on “Chicago Tonight” on Feb. 21, 2019.

The Trump administration has proposed $2.8 billion in cuts to the U.S. Environmental Protection Agency, including a decrease of more than $1.4 billion in funding for states. 

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

U.S. Sens. Dick Durbin and Tammy Duckworth are among those urging the EPA to take “immediate action” against Southeast Side industrial facilities for emitting potentially harmful levels of brain-damaging manganese dust.

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 Students from across the Chicago area rallied in support of action to combat climate change in downtown Chicago on Friday, May 3, 2019. (Alex Ruppenthal / WTTW News)

Several hundred students ditched classes Friday for a march and rally downtown as part of the Youth Climate Strike, a global movement demanding action to address global warming.

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In this still image from video provided by ABC7 Chicago, a fire engine sprays water on a container of the chemical that farmers use for soil after anhydrous ammonia leaked Thursday, April 25, 2019, in Beach Park, Illinois. (ABC7 Chicago via AP)

A chemical leak that caused a toxic plume to hang for hours over a northern Chicago suburb Thursday sickened dozens of people, including seven who are in critical condition, officials said.

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(Creative Commons /  © 2013, Jeremy Atherton)

The American Lung Association’s annual “State of the Air” report found that Chicago has experienced an increase in days with spikes of ozone-polluted air.

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A Fowler’s toad (Courtesy Peggy Notebaert Nature Museum)

By tracking the types, frequency and intensity of frog mating calls, experts hope to gauge the success of conservation efforts in an area commonly referred to as the city’s dumping ground. 

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The non-binding measure is being celebrated by environmental advocates, who note that Chicago is now the largest U.S. city to announce a timeline for obtaining all of its energy from renewable sources.

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(Matt Madd / Flickr)

The diets of white Americans contribute to climate change more than the eating habits of African and Latino Americans, according to a new report by a group of Chicago researchers.

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An interactive map shows results from soil sampling conducted near S.H. Bell. (U.S. Environmental Protection Agency)

Regulators plan to clean up the soil of several residential yards with high levels of brain-damaging manganese, but they have yet to finalize a plan for addressing homes with elevated levels of lead in the soil.

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A view of the Great Lakes from space. (U.S. Environmental Protection Agency / Flickr)

A first-of-its-kind report shows how climate change is threatening the Great Lakes, and how their ongoing transformation figures to impact the entire region.

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A former petcoke storage site near the Calumet River on Chicago's Southeast Side (Terry Evans / Courtesy of Museum of Contemporary Photography)

Proposed legislation would require the federal government to examine potential health risks from exposure to petroleum coke, a solid byproduct of the oil refining process that had for years been stored in uncontained piles on the Southeast Side. 

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The Minnesota Legislature banned the sale and use of coal tar-based sealants on January 1, 2014. These products were commonly applied to asphalt driveways and parking lots. (MPCA Photos / Flickr)

Children who are regularly exposed to coal tar-based pavement sealants are 38 times more likely to develop cancer, according to the environmental group the Sierra Club.