| Mar 1, 2012
Built during the early part of the last century to satisfy Chicago's growing demand for electricity, two of the nation's oldest coal-fired power plants will shut down amid concerns about lung-damaging air pollution and competition from cleaner, less-...
| Oct 1, 2011
— Built in the 1950s for the brawny task of ferrying railroad cars, the last coal-burning steamship on the Great Lakes is billed today as a nostalgic vacation shortcut between Wisconsin and Michigan.
But every day it sails between this old...
| Feb 6, 2012
| 7:34 AM
Thousands of commuters continue to breathe high levels of lung-damaging diesel exhaust at Chicago's Union Station, in part because of nagging maintenance problems at the Old Post Office that straddles the southbound tracks.
Testing by Amtrak has...
| Jan 22, 2012
Fed by a steady stream of coal barges, the aging power plants that loom over Chicago's Little Village and Pilsen neighborhoods are by far the city's largest industrial sources of climate change pollution.
No other polluter comes close to the 4.2...
| Nov 18, 2011
After deciding it isn't worth cleaning up one of the nation's dirtiest power plants, the owners of an aging coal-burner along the southwestern shore of Lake Michigan are shutting it down sooner than expected.
In its latest financial documents, Virginia-...
| May 24, 2012
In a move that promises cleaner air throughout the Chicago area, BP on Wednesday agreed to spend more than $400 million to settle legal complaints about chronic pollution problems at the oil company's sprawling refinery in northwest Indiana.
| Feb 14, 2011
| 5:49 AM
Metra's own testing of toxic diesel exhaust inside its passenger coaches shows the transit agency's pollution problems are more extensive and worrisome than it has publicly disclosed, according to records obtained by the Tribune.
A summary of tests...
| Mar 16, 2011
| 7:49 PM
Fallout from Japan's crippled nuclear reactors already is being detected thousands of miles away. But scientists who track pollution blowing across the Pacific Ocean say the amount of radioactivity should pose no danger to the United States.
| Aug 6, 2011
Chicago's first round of testing for a toxic metal called hexavalent chromium found that levels in local drinking water are more than 11 times higher than a health standard California adopted last month.
But it could take years before anything is done...
| Jun 1, 2011
| 5:09 PM
Recent steady rains forced local officials to dump more than 105 millions gallons of stormwater and raw sewage into Lake Michigan.
The Metropolitan Water Reclamation District on Sunday opened a sluice gate near the Bahai Temple in Wilmette that separates...
| Aug 6, 2011
Trace amounts of sex hormones, prescription drugs, flame retardants and herbicides are being detected in treated drinking water pumped to more than 7 million people in Chicago and its suburbs.
In the latest round of testing prompted by a 2008 Tribune...
| Jul 20, 2011
Metra appears to have found a way to dramatically clean up the air inside its stainless-steel cars, but spikes of lung- and heart-damaging diesel pollution will remain a lingering problem on the platforms at Chicago's major rail stations.