A $2.5 million award to address climate change will help Chicago expand bike-share programs to all parts of the city, according to the mayor’s office.

The mega-retailer says plans to install solar panels at nearly two dozen sites across Illinois will represent a 25-percent increase in the state’s current solar capacity.

U.S. Sen. Dick Durbin is calling for federal action following a report that identified an Illinois meat-processing plant as the worst-polluting plant of its type in the country.

Chicago-based environmental group Openlands has received a $1 million grant to address climate change by planting new trees and recruiting residents to protect them. 

An inexpensive drug for Type 2 diabetes also decreases the risk of heart attacks and strokes caused by air pollution, according to a new Northwestern Medicine study.

A pork-processing plant in western Illinois released an average of nearly 2,000 pounds of harmful nitrogen per day into a tributary of the Illinois River last year, according to a new report.

Soil samples have been collected from more than 100 properties as the U.S. Environmental Protection Agency continues to assess the threat posed by brain-damaging manganese emitted from nearby industrial sites.

Chicago is seeking proposals to install solar panels on 30 acres of previously developed land in Austin, Englewood, West Pullman, Riverdale and South Deering. 

Local public health experts are set to testify at a Chicago hearing next week on the Trump administration’s proposal to repeal the Clean Power Plan, which established limits on pollution from power plants. 

A new federal grant aims to help educators use the Chicago River as a “living classroom” to teach students about water quality issues. 

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.