Chicago Department of Public Health officials determined last year the operation posed an “unacceptable risk” to the health of nearby residents, following Environmental Protection Agency investigations and activism from local residents who said their neighborhood could not withstand the pollution they believe the new Southside Recycling facility will bring.

With large swaths of the U.S. shrouded in smoke from Canadian wildfires, now's a good time to review the basics of the Environmental Protection Agency's Air Quality Index.

While Canadian officials asked other countries for help fighting more than 400 blazes nationwide that already have displaced 20,000 people, air quality with what the U.S. rates as hazardous levels of pollution extended into central New York.

Quantum research and technology is fast developing but still in its infancy. However, its impact is ultimately expected to be transformational.

Pending final approval, Openlands will transfer the Lakeshore Preserve to the Lake County Forest Preserves, which owns the adjacent 250-acre Fort Sheridan preserve.

Chicago is one of 18 cities chosen for the Heat Watch Campaign, which will map the city's urban heat islands — places with fewer trees and more pavement, where temperatures can soar 20 degrees higher than surrounding areas.

This time of year, Shedd Aquarium biologist Melissa Youngquist can be found in the woods, sloshing through ponds in search of signs of amphibian life.

For the U.S. to transition to clean energy, it will take technologies beyond wind and solar to fuel airplanes, generate electricity and power industry. And the Biden administration is increasingly looking towards hydrogen to meet the demand – a source of energy that burns without pollution and that can be derived from water.

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.

Another week, another wildlife sensation. This time it’s a pair of protective peregrine falcon parents who are dive-bombing pedestrians downtown in order to steer them away from their nestlings.

Yep, it’s the annual appearance of cottonwood fluff, and if you were thinking this year’s showering seems excessive, you’re right. It is.

State climatologist Trent Ford said conditions aren't alarming, yet, but if June isn't signficantly wetter than May, there's cause for concern.

With high temperatures in the forecast, city officials issued a reminder to landlords about new air conditioning requirements, put in place in 2022 after three women died in a Rogers Park senior living facility.

A newly announced $21 million gift will help the Chicago Botanic Garden further its conservation and research projects, like the development of a studbook for plants.

For a bunch of hardened urbanites, Chicagoans sure do have a soft spot when it comes to animals.

Beach season will run through Sept. 4. The city’s pools are expected to open by June 23.