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Nearly 600 million birds are killed annually in North America due to collisions with buildings. A new Illinois law mandates bird-friendly design for state buildings.

The American College of Obstetricians and Gynecologists and the Society for Maternal-Fetal Medicine said vaccinations in tens of thousands of pregnant women over the past several months have shown the shots are safe and effective during pregnancy.

The industrial history of Chicago’s Southeast Side has drawn criticism for its impact on the environment and residents’ health. Some say it also makes it difficult for residents to get around by foot or bike. How one South Deering program is working to change that.

Each year, 22 million pounds of plastic finds its way into the Great Lakes – the source of potable water for more than 30 million Americans. We take a look at what can be done to limit plastic pollution.

COVID-19 infections are again rising in Chicago following Lollapalooza, which drew hundreds of thousands of people to Grant Park last weekend. But the city’s top doctor says the four-day event is not to blame.

Is a vaccine passport in the works for Chicago? A call for pregnant people to get the vaccine. The lights are flickering on a renewable energy bill. And “Hamilton” is back in Chicago — sort of.

Miguel Cervantes joins us in conversation ahead of a performance this week at The Metropolitan Club and the reopening of “Hamilton” on Broadway next month.

With possibly just a few weeks left before Exelon shutters a nuclear reactor in Byron, feuding and politically powerful interests have failed to reach a deal that would keep the plant open and otherwise move Illinois toward its renewable energy goals.

A Cook County man in his 80s who became ill in mid-June is the first person known to have contracted the West Nile virus in Illinois this year, according to state health officials.

New York on Tuesday became the nation’s first big city to announce it will require proof of COVID-19 vaccination at restaurants, shows and gyms.

Chicago police Officer Karol Chwiesiuk, who was charged for his alleged role in the Jan. 6 Capitol insurrection, may lose his job, his attorneys claim, because he’s been forced to turn over his firearm owner identification card as part of the conditions for his release from jail.

Cook County residents, including Chicagoans, can now get a free ride to a nearby vaccination site, thanks to the new “Destination: Vaccination” program.

Gov. J.B. Pritzker on Monday signed new legislation expanding background checks on all gun sales in the state starting in 2024, a step he touted as “commonsense” and with bipartisan support.

Many unknowns about COVID-19 remain more than a year into the pandemic, among them the mysterious loss of taste and smell. But new research offers insight into the cause of this common symptom.

Former Gov. Rod Blagojevich, Illinois’ only governor to be impeached and removed from office, was back at the Dirksen federal courthouse on Monday, but this time it was on his own volition — rather than as a defendant in criminal proceedings.

Residents in and around downtown neighborhoods describe a noisy problem that has been festering for a year, and one that seemed to hit a fever pitch during Lollapalooza. But are law enforcement officials listening?

One of the leading doctors for the U.S. Olympic team says star gymnast Simone Biles was right to withdraw from competition after a bout of what gymnasts call the “twisties.” Dr. Mark Hutchinson joins us from Tokyo to share his impressions of the Games so far.

People with HIV can no longer be criminally prosecuted for exposing someone else to the virus without their knowledge. Advocates say the law discouraged testing and treatment for HIV — and the repeal is long overdue.

The U.S. on Monday finally reached President Joe Biden’s goal of getting at least one COVID-19 shot in the arms of 70% of American adults — a month late and amid a fierce surge by the delta variant.

Playing sports. Hugging family and friends. Going to school or the doctor's office. What’s the risk of COVID-19 exposure for each of these activities among children who aren’t yet eligible for the vaccine? More than 100 physicians weigh in as part of a new survey.

Amazon Prime members who shop at Whole Foods in select cities, including Chicago, will soon see a new charge on their bills. Crain’s Chicago Business editor Ann Dwyer takes us behind the headline of that story and more.

A new lawsuit from former Gov. Rod Blagojevich. Noisy motorcycles reach a fever pitch downtown. A new law protects people with HIV. The mysterious effect of COVID-19 on your sense of taste and smell.

Fifty-one people were shot in 38 separate shooting incidents over the weekend. Chicago also closed out the month of July with 105 homicides, marking the second consecutive July in which the city has surpassed 100 killings.

The newest members of Chicago’s growing piping plover family have names. Meet Siewka (pronounced Shivka), which is the Polish word for “plover,” and Imani, the word for “faith” in Swahili. 

Employers are losing patience with unvaccinated workers. For months, most employers relied on information campaigns, bonuses and other incentives to encourage their workforces to get the COVID-19 shot. Now, a growing number are imposing rules to make it more onerous for employees to refuse.

The 2016 Olympic gymnastics champion will return to competition in the balance beam final on Tuesday, a little over a week after stepping away from the meet to focus on her mental health.