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.

The Army Corps of Engineers’ plan to build a 25-foot-tall “toxic tower” on Lake Michigan has hit a speed bump.

A U.S. Supreme Court ruling that narrows the Clean Water Act’s authority to regulate certain wetlands has met with disappointment, frustration and head-scratching among Great Lakes environmentalists.

Legislators and environmental activists alike say they were caught off guard by fast-tracked proposals that would pave the way for a private entity to own a piece of an expanded I-55. 

Chicago has recorded less than half an inch of rain in May, leading to what climate experts call a flash drought.

Forest Preserve District officials presented a proposal to increase fines and to add a provision that would allow the district to collect restitution from people caught trashing the preserves.

Argonne National Laboratory has been at the cutting edge of molecular scale research for almost three decades. At the heart of that research is the Advanced Photon Source, a huge particle accelerator.