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(Flickr / Eric Allix Rogers)

Same-day water testing conducted at UIC's School of Public Health will give Chicagoans more timely alerts about water quality at their favorite beaches this summer. 

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(Photo credit: Becky Goodsell)

New research from climate scientists suggests that the West Antarctic Ice Sheet could melt far more quickly than was previously thought.

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(Courtesy of U.S. Department of Energy Office of Science)

Tweaking Illinois' landmark energy bill would trigger more than $2 billion in wind farm construction, a state senator says. 

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(Flickr / Laura Marie)

A first-of-its-kind study shows that forests in Chicago face significant threats from climate change, with native trees especially vulnerable to increases in temperature, precipitation and other changes.

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(Monterey Regional Waste Management District)

Legislation proposed this week in the Illinois Senate would require electronics manufacturers to pay for permanent recycling drop-off sites set up by counties.

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A view of the Great Lakes from space. (USEPA Environmental-Protection-Agency / Flickr)

Issues impacting the Great Lakes and communities surrounding the massive freshwater system will be at the center of a two-day conference in Chicago starting Wednesday.

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An announcement last month from the EPA prompts Chicago to launch its own website dedicated to the science behind climate change.

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Advocacy group Milwaukee Water Commons holds an event in support of clean water in August 2016. (Milwaukee Water Commons)

Organizers of a clean water summit in Chicago next week hope to draft a plan for replacing the city's nearly 400,000 lead water pipes. 

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A bill to protect ecologically sensitive and historic sites from players of virtual games like “Pokémon Go” has failed to gain support among Illinois legislators.

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(U.S. Fish and Wildlife Service)

With nearly $300 million in federal funding on the chopping block, leaders from across the Great Lakes region will convene next month in Chicago to address lead poisoning, oil pipelines and other threats to the area’s waters.

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(NASA)

A study co-authored by Northwestern University climate expert Daniel Horton outlines a framework for measuring the impact of global warming on extreme weather events. 

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(Walmart / Flickr)

Studies estimate that more than 100 billion plastic bags are used annually in the U.S. But in Chicago, many shoppers have switched their habits since the start of the city’s tax on plastic and paper bags, a new study shows. 

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Community Strategy Group organizer April Friendly, left, leads a rally Wednesday during EPA head Scott Pruitt's visit to East Chicago. (Alex Ruppenthal / Chicago Tonight)

About 100 East Chicago residents and activists rallied and marched Wednesday while EPA head Scott Pruitt visited the city's lead-contaminated neighborhoods.

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EPA Administrator Scott Pruitt speaks Wednesday after meeting with residents in East Chicago. (Alex Ruppenthal / Chicago Tonight)

The head of the Environmental Protection Agency told residents in East Chicago on Wednesday that the agency had no plans to close its Chicago office. 

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Indiana Dunes

A spill last week at a U.S. Steel site in Northwest Indiana released an unknown amount of a potentially carcinogenic chemical into a Lake Michigan tributary, prompting the closure of three beaches at Indiana Dunes National Lakeshore.

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(Plastic Pollution Coalition)

With an eye toward Earth Day, Shedd Aquarium has launched a campaign encouraging people to switch from single-use plastic straws to reusable or biodegradable alternatives.