The Trump administration on Wednesday completed one of its biggest rollbacks of environmental rules, replacing the landmark Obama-era Clean Power Plan with a replacement rule.

A new pilot program will give Chicagoans another option for getting around the city. But will electric scooters help reduce transportation-related pollution? 

More than a century after Upton Sinclair described a stretch of the Chicago River as “a great open sewer,” Bubbly Creek is still plagued by waste – and the restoration process has been mired in its own political muck.

Records show the 67-acre site on the Far Southeast Side, used as a dumping ground for more than two decades by Republic Steel, is contaminated with lead, manganese, mercury and other toxins.

Doug McConnell has swam in New York’s Hudson River, the Boston Harbor and even the English Channel. Now he wants to make a splash in his own city.

The Trump administration has proposed $2.8 billion in cuts to the U.S. Environmental Protection Agency, including a decrease of more than $1.4 billion in funding for states. 

U.S. Sens. Dick Durbin and Tammy Duckworth are among those urging the EPA to take “immediate action” against Southeast Side industrial facilities for emitting potentially harmful levels of brain-damaging manganese dust.

A chemical leak that caused a toxic plume to hang for hours over a northern Chicago suburb Thursday sickened dozens of people, including seven who are in critical condition, officials said.

The American Lung Association’s annual “State of the Air” report found that Chicago has experienced an increase in days with spikes of ozone-polluted air.

In many ways, modern American life is set up for convenience and speed – and that can generate a lot of garbage. What you can do at home to reduce your waste output.

Regulators plan to clean up the soil of several residential yards with high levels of brain-damaging manganese, but they have yet to finalize a plan for addressing homes with elevated levels of lead in the soil.

Proposed legislation would require the federal government to examine potential health risks from exposure to petroleum coke, a solid byproduct of the oil refining process that had for years been stored in uncontained piles on the Southeast Side. 

On average, people in the U.S. generate 220 pounds of plastic waste each year, even though much of those materials could be recycled. Here’s the lowdown on the types of plastic that can and can’t be recycled. 

Children who are regularly exposed to coal tar-based pavement sealants are 38 times more likely to develop cancer, according to the environmental group the Sierra Club. 

Erin Brockovich’s efforts to expose a utility company's contamination of California groundwater were made famous in a 2000 film bearing her name. She joins us to discuss Chicago’s environmental issues.

The Litter Free Chicago River project will soon include a stretch of the river from North Avenue to Foster Avenue, where the North Branch connects with the North Shore Channel.