An effort that began two decades ago to restore the banks of the North Branch of the Chicago River in Horner Park is finally complete.

Two parking spaces in River North will be transformed into a temporary dog-friendly area as part of PARK(ing) Day, a global movement calling attention to the need for more open space in cities. 

Since the launch of #SheddTheStraw last spring, businesses across Chicago have taken steps to eliminate their use of single-use plastic straws. Now, one of Chicago’s biggest events is getting involved.

Pull over to the side of the road and consider the world-ending event taking place before your eyes. That’s essentially the message conveyed by the newest piece of public art on display at Navy Pier.

If successful, the portable, smartphone-sized sensor will measure human exposure to toxic metals like lead and manganese using a single finger prick of blood  – and deliver results in minutes.

Chicago has become the seventh city in the world to receive top-level certification for its sustainability efforts focused on green buildings.

Chicago’s bag tax has resulted in a decrease in the use of disposable bags since taking effect early last year, but a majority of shoppers still use at least one disposable bag per trip, a new study shows.

About 2 million people visit the Indiana Dunes each year for its hills of sand and sprawling beaches. But the beloved site on the southern shore of Lake Michigan is changing – and not in a good way.

The state is set to receive more than $100 million in a settlement from Volkswagen after the automaker admitted to cheating on emission tests.

A bill signed into law this week seeks to incorporate composted soil into state-funded landscaping projects. 

Former EPA chief Scott Pruitt said his proposal would increase transparency, but opponents say it will keep certain scientific studies out of the hands of EPA decision-makers and addresses “a ‘problem’ that does not exist.”

After touring Chicago’s industry-dominated Southeast Side on Thursday, U.S. Sen. Dick Durbin pressed the Environmental Protection Agency to increase monitoring of brain-damaging manganese dust. 

A new law aims to make it easier for state agencies in Illinois to donate leftover food, which advocates say will help reduce waste and feed hungry residents.

In a joint statement released Thursday, attorneys general from nearly 20 states, including Illinois, said weakening the so-called clean car rules would cause Americans to breathe dirtier air and pay higher gas prices.

General Iron announced plans earlier this month to move its scrap metal yard from Lincoln Park to the Southeast Side, where residents are concerned about the company’s environmental track record.

A new report from an environmental advocacy group criticizes Illinois and more than two dozen other states for adopting renewable energy plans that allow for dirty energy sources.