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.

The past few springs, Chicago has notched record-breaking rainfall totals. All that water has to go somewhere, and when it overwhelms the city’s sewers, untreated wastewater winds up in the Chicago River.

Shedd Aquarium is hosting a pair of cleanup and habitat restoration days at 63rd Street beach, where 12 acres of dunes have attracted piping plovers, among other bird species.  

This time of year at Montrose Harbor, you’ll see people lining the lakefront with fire extinguishers — but they’re not putting out flames, they’re fishing. Powerlining is a unique fishing style with local roots.

In recent months, the tension between industry and community has escalated as protests erupted against metal scrapper General Iron’s proposed relocation to the Southeast Side. And while activists say the area has been overburdened with industry, the need for jobs with low barriers to entry is still high.

When it comes to what scientists know about the effects of climate change on the Great Lakes, research to date has only scratched the surface. A new study shows that Lake Michigan is warming — even its greatest depths. “This is a large effect, not just something superficial,” scientists say.

Sales sponsored by Openlands and the West Cook Wild Ones chapter are now both taking orders online for native plants, including some that are hard to find at area garden centers and nurseries. 

The number of American bald eagles has quadrupled since 2009, with more than 300,000 birds soaring over the lower 48 states, government scientists said in a report Wednesday.

After months of staring at Chicago’s bleak and barren winter landscape, Garfield Park Conservatory’s spring show is a bit like landing in Oz.

Ald. James Cappleman has joined the chorus of supporters lobbying the Chicago Park District to set aside a section of Montrose Beach as protected habitat for Monty and Rose, Chicago’s beloved pair of Great Lakes piping plovers.

Shedd Aquarium researchers are eagerly anticipating the spring migration of sucker fish, a species that could tell us about climate change.

During the fall and spring equinoxes, the sun rises due east and sets due west, creating an effect dubbed Chicagohenge (in reference to Stonehenge), when sunset is strikingly framed by the city’s east-west streets.

The second annual event offers simple ways to conserve water in advance of World Water Day.

The plan, which was approved by the City Council in November, has drawn outrage from residents and organizations who say the cost of metered parking will limit access to the lakefront. A petition against the meters has gathered thousands of signatures.

The ongoing battle to legitimize native gardens in Chicago is about to go another round, with the introduction of an ordinance to establish a native garden registry. But gardeners want to know why they’re bearing the burden of erroneous weed law enforcement.

The soaring price of Bitcoin has many environmentalists concerned. University of Chicago paleontologist Neil Shubin has more on that and other science stories making headlines around the world.