Stories by Patty Wetli

A 140-foot-tall transparent structure that’s brightly illuminated 24/7, located across the street from Harms Woods nature preserve, along a key migratory greenway, is a triple threat to birds, environmentalists say.

A 50-year record could fall Wednesday as the temperature in Chicago is expected to reach the mid- to upper-60s, according to the National Weather Service. The warmest Dec. 15 to date was 64 degrees in 1971.

If the thought of drinking a caramel brownie iced coffee or peppermint mocha latte sounds like a punishment, you might be a coffee snob or, according to a new study, a preference for bitter cups of plain black joe just might be in your DNA.

A 20-year extension of the dump, operated by the Army Corps of Engineers to hold toxic sludge dredged from Lake Michigan, is still under review. The dump was supposed to be retired in 2022 and turned over to the Chicago Park District for redevelopment.

One of the country’s longest-running community science projects is about to get underway. We’ve got all the details on Audubon Society’s 122nd annual Christmas Bird Count, including how to join the effort. 

A strong storm system is moving into the Chicago region, bringing an “out-of-season” threat of thunderstorms and even tornadoes, with the worst expected to hit after 9 p.m. Friday, the National Weather Service said.

The Illinois State Museum is planning a “Growing Up Gen X” exhibit and has put out a call for contributions of photos, memories and objects that define the youth of this often-overlooked cohort of Americans.

Bison once roamed Illinois’ tallgrass prairies in some of the largest herds east of the Mississippi, but they’re so rare in these parts today, a single escapee from a Lake County farm is creating a social media stir.

It’s been 268 days, and counting, since Chicago recorded its last measurable snow. The record of 290 days is within reach.

Amazon’s cloud computing technology experienced major technical difficulties Tuesday, and brought half the world to a halt — or at least it felt that way to clients and consumers reliant on applications or services such as Alexa, Amazon Prime Video, Ring and Canvas.

With new tools at their disposal, archeologists are revisiting a prehistoric site discovered 40 years ago at what’s now Midewin National Tallgrass Prairie. “What we have here is a real unique opportunity to talk about how humans used this landscape over the last 10,000 years,” one researcher said. 

Comet Leonard, discovered in January of this year by astronomer Greg Leonard, is racing toward the sun and will make its closest pass of Earth in the coming days. The Adler Planetarium is hosting a viewing session Tuesday morning. 

Now in its 44th year, the ride draws tens of thousands of participants and collects heaps of toys for children in need.

The U.S. needs a national strategy to deal with its plastic waste problem, which the country produces at a greater rate than the entire European Union combined, according to a new report. Interventions can’t come soon enough for wildlife.

The Commission on Chicago Landmarks unanimously approved a landmark recommendation for the 152-year-old Seth Warner house, which boasts layers of heritage.

A group of North Side alderpeople and community organizations are teaming up to recycle non-working holiday lights, which, it should be emphasized, cannot and should not be placed in regular recycling bins.

The Park District board OK’d a $600,000 budget for the new Office of Prevention and Accountability, which is being established to prevent misconduct and hold wrongdoers accountable. Commissioners questioned whether the amount dedicated to the new office was adequate enough for the task at hand.

The sighting of a small-billed elaenia over the Thanksgiving holiday had bird lovers flocking to Waukegan from far and wide to catch a glimpse of this South American flycatcher, thousands of miles off course.

Cook County is aiming to reach 100% renewable electricity by 2030, but can’t get there on its own. So it’s looking for a renewable energy developer, who would front the costs of building a solar or wind farm to generate green electricity for county buildings. 

The region’s nature lovers eagerly anticipate the annual flyover of the large, raucous birds but for regular observers of the cranes, this year’s migration was cause for anxiety due to low numbers counted at their regular Indiana rest stop.

Timed reservations will be required for all programs, from open skate to rat hockey, to allow for social distancing.

The crackdown kicks off on Black Friday at Woodfield Mall. Scofflaws could face fines up to $600.

CTA has declared, “The magic is back.” Passengers will be able to board the Holiday Train and Holiday Bus this year, although a few restrictions are still in place due to COVID-19.

When’s the last time you thought about the turkey not as dinner but as a bird? Here are some fascinating facts about this North American original.

Another holiday tradition makes a comeback in 2021, as winter flower shows open Wednesday at both the Lincoln Park and Garfield Park conservatories. Timed reservations are required.

Recent storm waves stirred up deposits of invasive mussels from the bottom of Lake Michigan and brought them ashore, begging the question: Would you know a quagga mussel if you saw one?