| Apr 15, 2014
| 9:50 PM
The state Department of Public Health is adopting the nation's first-ever drinking water standard for hexavalent chromium, a carcinogen found in water supplies across the state.
The department announced Tuesday that it has submitted a final regulation...
| Apr 16, 2014
| 9:44 PM
A decision by a federal appeals court Wednesday could allow for changes in water deliveries to irrigation districts that hold senior rights to Sacramento River supplies.
The unanimous opinion by an 11-judge panel of the U.S. 9th Circuit Court of Appeals...
| Jan 7, 2014
| 8:00 PM
Eating more seafood can be a key to a healthful diet. But it also can seem easier said than done. The hurdles? The people you cook for, and with, might not like fish. You might not know how to cook it. The cost can be daunting, and environmental questions...
| Feb 8, 2014
| 8:45 AM
Decades of efforts to curb air pollution have cut lung-damaging smog to levels far below the hazy days of the 1970s and '80s in Chicago and most other big urban areas.
New cars emit dramatically less pollution than older models, gasoline and diesel...
| Oct 18, 2013
| 6:33 AM
Just south of the Chicago Skyway bridge, a dusty byproduct of the Canadian oil boom is piling up in huge black mountains along the Calumet River.
More is on the way. A lot more.
By the end of the year, the oil giant BP is expected to complete work...
| Nov 20, 2013
| 6:09 AM
With more dusty petroleum coke piling up on the Southeast Side, Mayor Rahm Emanuel suggested Tuesday that the city might require the black mountains of refinery waste to be enclosed for the first time.
In an email response to questions from the Tribune,...
| Jan 7, 2014
With Winnetka officials expected to hire a firm this month to design a tunnel under Willow Road to discharge stormwater into Lake Michigan, three environmental advocacy organizations recently have expressed concerns that the $34.4 million project might...
| Mar 19, 2014
| 7:14 AM
Do you find yourself throwing milk, eggs and meat away because they're past the expiration date? You could be unnecessarily wasting good food.
According to a study conducted by the Natural Resources Defense Council and Harvard Law School’s Food...
| Feb 16, 2014
Silver has long been known for its ability to kill some of the nasty microbes that can make people sick. In hospitals, it's used to help burn victims, to combat germs on catheters and even to wipe out dangerous "superbugs" that have grown resistant to...
| Feb 12, 2014
| 9:35 AM
Oil spills, fishing nets and collapsing forage fish populations due to warming sea surface temperatures are decimating tufted puffins and could lead to the disappearance of one of the most photogenic seabirds in the United States south of Alaska.
| Feb 15, 2014
| 3:00 PM
If somehow you missed the news that California is drier than a stale tortilla, the Amber Alert signs have come to the rescue with highway bulletins like this one:
"Serious drought, help save water."
This is helpful to a point, I suppose, and I like...
| Feb 25, 2014
| 8:04 AM
With monarch butterfly populations rapidly dwindling, a conservation organization on Monday asked the U.S. Environmental Protection Agency to implement tougher rules for the weed killer glyphosate — first marketed under the brand name Roundup...