A key federal program responsible for protecting the Great Lakes is one step closer to being fully funded after it was targeted for massive cuts earlier this year in President Donald Trump’s proposed budget.
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Stories by Alex Ruppenthal
Records related to an April spill of a toxic metal into a Lake Michigan tributary have not been given to Chicago. The city is now threatening to sue U.S. Steel.
The days when Americans fretted over an imminent U.S.-Soviet nuclear showdown might be over, but the consequences of a new nuclear age are still reverberating today.
A new $960,000 grant will improve 2.5 miles of streams for nearly 20 species of fish and create 10 acres of neighborhood green space in the Chicago-Calumet region.
A Mexican wolf pup born this spring at Brookfield Zoo and released into the wild as part of a species recovery program was tracked down in New Mexico and is healthy, the zoo announced this week.
Lake Michigan is getting warmer, and eventually it will mean winters with less snow in Chicago. But don’t plan yet for winters free of the white stuff.
Since the inauguration of President Donald Trump, dozens of employees have left the EPA’s Region 5 office in Chicago. Current and former employees say the loss of staff is already putting a strain on operations.
Monarch butterfly populations have dropped by more than 80 percent over the past two decades. A bill approved this week aims to boost the monarch’s recovery by protecting milkweed, a plant that serves as the butterfly’s only source of food.
The EPA likely won’t be able to determine the source of a late October oil spill in the Chicago River because the agency was notified about the spill two days after it occurred, the EPA said Tuesday.
Environmental advocates say a Southeast Side storage company violated city standards for air pollution earlier this year. But the company disagrees, asserting that the state’s more lenient law applies.
One of the oldest giraffes in a North American zoo died last week. At 27, she had surpassed the median life expectancy for giraffes, which is about 17-20 years.
A team led by University of Chicago professor Angela Olinto will use a NASA super pressure balloon to study mysterious cosmic rays that could offer groundbreaking new insights about the universe.
Two months after becoming the first company approved for fracking in Illinois, Woolsey Operating Company has withdrawn its permit.
Officials responding to last week’s oil spill in the South Branch of the Chicago River have recovered dead wildlife from the water, including 43 fish and four turtles. The source of the spill is still unknown, according to the EPA.
Supporters of a bill vetoed this summer by Gov. Bruce Rauner are calling on legislators to override that action next month in the hopes of expanding the use of gas tax funds to public transportation services and other improvements.
The EPA says the source of an Oct. 26 oil spill remains unknown, but cleanup efforts continue this week along the 1.5-mile stretch of the south fork of the South Branch of the Chicago River.
A Southeast Side company tipped off regulators to its own violation of city air pollution standards, documents submitted to the city show.
In an effort to fill a void created by federal and state agencies that have cut back environmental oversight, Chicago plans to expand its environmental enforcement division.
There are more soggy days ahead. Find out how you can help ease the burden on the Chicago River and reduce the risk of flooding.
Viewers on four continents will watch a virtual presentation hosted by Adler Planetarium in early November to learn about the possibility of life on other planets.
One of Brookfield Zoo’s newest tenants recently emerged from her mom’s pouch and can now be seen at the zoo’s Australia House.
U.S. Sen. Dick Durbin is among a handful of legislators behind a bill that would strengthen legal protections for communities disproportionately impacted by pollution and other environmental threats.
Scientists should respond to a “political climate of opposition to facts” by speaking out about their work, said John P. Holdren during a recent lecture on climate change at the Illinois Institute of Technology.