Lake Michigan. (Patty Wetli / WTTW News)

Representatives of Bayer, which now owns Monsanto, said Chicago's lawsuit was “meritless” because the company never manufactured or disposed PCBs in or near the Chicago area.

Olga Bautista, the executive director of the Southeast Environmental Task Force, lauded Mayor Brandon Johnson's proposal. (Heather Cherone/WTTW News)

“The time to act on environmental justice is now,”  Mayor Brandon Johnson said.

(WTTW News)

Chicago is one of 18 cities participating in the Heat Watch 2023 program with the National Oceanic and Atmospheric Administration, in which community volunteers collect temperature and humidity data to analyze for underlying reasons and potential mitigation efforts.

(Courtesy of Efrain Soriano / Borderless magazine)

After the July 2 storm that caused catastrophic flooding across Chicago’s West Side and some western suburbs, many residents are still dealing with the damage. Now, some of those communities are exploring green infrastructure solutions that can help prevent future flooding events.

Former Mayor Rahm Emanuel appears on “Chicago Tonight” on May 13, 2019. (WTTW News)

Now U.S. ambassador to Japan, Rahm Emanuel plans to travel to Fukishima prefecture and eat some local catch of the day to quell concerns about the release of treated radioactive wastewater into the Pacific Ocean.

(ELEVATE / Pexels)

Dry cleaners, auto body and repair shops, food and beverage manufacturers and metal finishers in suburban Cook County that experienced a decrease in revenue during the COVID-19 pandemic are able to benefit from the program.

Flooded streets in Chicago are pictured on July 2, 2023. (Paris Schutz / WTTW News)

Cook County residents are now eligible for assistance, including grants for temporary housing and home repairs and low-cost loans to cover uninsured property losses, officials said.

FILE - A black plume rises over East Palestine, Ohio, as a result of a controlled detonation of a portion of the derailed Norfolk Southern trains, Feb. 6, 2023. (Gene J. Puskar / AP Photo, File)

Debate over vinyl chloride has simmered for years, but gained a new urgency after the Feb. 3 derailment of a 50-car Norfolk Southern freight train in East Palestine. Three days later, emergency crews released toxic vinyl chloride from five tank cars and burned it to keep them from exploding.

(WTTW News)

“The goal here is for us to think about how the cumulative impact data can help change policy and operations across city departments,” said Angela Tovar, Chicago’s chief sustainability officer.

Mayor Brandon Johnson addresses the news media on Monday, July 3, 2023. (Mayor's Office)

The last time Chicago saw nearly 9 inches of rain was Aug. 13-14, 1987, according to the National Weather Service. On average, the city gets 3.7 inches of rain during all of July, according to the National Weather Service.

FILE - A person walks along the shore of Lake Michigan as the downtown skyline is blanketed in haze from Canadian wildfires, June 27, 2023, in Chicago. (AP Photo / Kiichiro Sato, File)

Already wildfires are consuming three times more of the United States and Canada each year than in the 1980s, and studies predict fire and smoke to worsen.

(Pexels / 현덕 김)

Thousands of bees settled in Daley Plaza this week, but the prize for craziest infestation goes to tiny Elko, Nev., which has been overrun by millions of crickets.

(WTTW News)

The impact of climate change is being felt across the planet in ways large and small. But it is increasingly clear that the impact of climate change is not felt equally.

(WTTW News)

It starts with an assembly line of sorts: washing and drying detergent bottles that have been collected from different laundromats. The plastic is then shredded into small granules, heated and made into a solid beam to create benches.

Activists protest plans for a metal scrapper on Chicago's Southeast Side at City Hall on Tuesday, June 6, 2023. (Heather Cherone/WTTW News)

Leaders of Chicago's environmental justice movement are confident Mayor Brandon Johnson has their backs – and they won’t have to fight City Hall as well as the businesses that they blame causing high rates of cancer, heart disease, respiratory ailments and asthma by polluting the air they breathe.

Openlands is hosting guided paddling trips through the African American Heritage Water Trail on the Far South Side. (Courtesy of Openlands)

Openlands is hosting guided paddling trips through the African American Heritage Water Trail on the Far South Side. It’s a way to experience how Black history and nature intersect.