Officials said dozens of employees at Chemtool Inc. were safely evacuated following an explosion and fires at the plant in Rockton, Illinois. (WTTW News via CNN)

An explosion at a northern Illinois chemical plant Monday morning sparked massive fires that sent flames and huge plumes of thick black smoke high into the air and debris raining onto the ground, prompting evacuations.

(WTTW News)

At the end of June, Illinoisans will no longer hear the words “Asian carp.” After several years and hundreds upon hundreds of millions spent trying to keep them from the Great Lakes, how can that possibly be? We explain.

General Iron’s former metal-shredding operation in Lincoln Park. (WTTW News)

Reserve Management Group, the parent company of the now-defunct General Iron, says it has “fully complied — and then some — with every city requirement” and is asking the courts to step in and do what the city won’t: issue a final permit.

This file photo shows the former site of General Iron in the Lincoln Park neighborhood on the North Side of Chicago. (WTTW News)
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Southside Recycling has long planned a move to the Southwest Side. But last week, the head of the Environmental Protection Agency asked Mayor Lori Lightfoot to conduct an environmental justice assessment in the community before allowing the company to operate.

Pope Francis and John Kerry talk during their meeting at the Vatican, Saturday, May 15, 2021. (Vatican Media via AP)

John Kerry, President Joe Biden’s climate envoy, met privately with Pope Francis on Saturday, afterward calling the pope a “compelling moral authority on the subject of the climate crisis” who has been “ahead of the curve.”

The Little Calumet River. (Charles Morris / National Park Service)

Can you put a price tag on damaged natural resources?

State and federal agencies are still assessing how much damage was done to natural resources in Northwest Indiana as a result of the 2019 discharge of hazardous chemicals into a Lake Michigan tributary.  

In this Sunday, Sept. 16, 2018 file photo, a member of the North Carolina Task Force urban search and rescue team wades through a flooded neighborhood looking for residents who stayed behind as Florence continues to dump heavy rain in Fayetteville, N.C. (AP Photo / David Goldman)

Scientists have long talked about climate change — hotter temperatures, changes in rain and snowfall and more extreme weather — being the “new normal.” Data released Tuesday by the National Oceanic and Atmospheric Administration put hard figures on the cliche. 

Environmental Protection Agency (EPA) Administrator Michael Regan, speaks at Guilford Technical Community College, Monday, April 19, 2021, in Jamestown, N.C., about the Biden administration’s American Jobs Plan. (AP Photo / Carolyn Kaster)

In the first Biden administration rule aimed at combating climate change, the Environmental Protection Agency is proposing to phase down production and use of hydrofluorocarbons, highly potent greenhouse gases commonly used in refrigerators and air conditioners.

White clover lawns are a buffet for pollinators, especially bees. (zoosnow / Pixabay)

Clover was once commonly included in lawn seed mixes, but then gained a reputation as a weed. It’s time, horticulturalists say, to revisit clover’s environmental benefits.

In this Monday, March 23, 2020 file photo, a playground outside the Prince Hall Village Apartments sits empty near one of the petrochemical facilities in Port Arthur, Texas. (AP Photo / David J. Phillip)
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Across America, people of color are exposed to more air pollution than whites from industry, vehicles, construction and many other sources, a new study has found.

In this Feb. 1, 2021 file photo, emissions from a coal-fired power plant are silhouetted against the setting sun in Independence, Mo. (AP Photo / Charlie Riedel, File)
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Six large regions nationwide that have economies reliant on fossil fuels have been targeted for federal investment and aid to create renewable energy jobs, as detailed in a new report from President Joe Biden’s administration.

President Joe Biden speaks to the virtual Leaders Summit on Climate, from the East Room of the White House, Thursday, April 22, 2021, in Washington. (AP Photo / Evan Vucci)

President Joe Biden convened leaders of the world’s most powerful countries on Thursday to try to spur global efforts against climate change.

There are a number of ways for Chicagoans to take part in Earth Day. (Lauris Rozentals / Pexels)

After celebrations were scratched in 2020 due to the coronavirus pandemic, Earth Day is back in 2021 with in-person events designed to raise awareness of environmental issues.

General Iron’s now shuttered metal-shredding operation in Lincoln Park. (WTTW News)
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A federal judge denied a motion Wednesday that would have prevented city officials from issuing the final permit needed by General Iron to set up operations on the Southeast Side. 

A still image from a video taken of the demolition of the Crawford Coal Plant smokestack, April 11, 2020. (Alejandro Reyes / YouTube)
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One year ago, crews imploded the smokestack at the defunct Crawford coal plant, sending a plume of dust over Little Village but illuminating the impact that toxic air pollution caused by industrial operations has had on South and West side neighborhoods for decades.

CTA electric bus, at a charging station. (Courtesy of Chicago Transit Authority)

If the trial is successful, CTA will order 17 more buses, bringing the transit agency “one step closer to its goal of having a 100% electric fleet by the year 2040,” said CTA President Dorval R. Carter.