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(Free-Photos / Pixabay)

The Field Museum will be at the center of Chicago’s youth climate strike Friday as activists across the globe hold what is expected to be one of the largest environmental demonstrations in the history of the planet.

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The South Shore Nature Sanctuary features 6 acres of dunes, wetlands, woodlands and prairies. (Alex Ruppenthal / WTTW News)

The fate of a 6-acre nature sanctuary on the city’s South Side is at the center of a debate over a $30 million project led by pro golfer Tiger Woods. We go for a visit.

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Water line repairs can be a costly mess. But what if there was a way to fix old water mains without tearing up streets, and old trees? There actually is, and Chicago is dipping into the waters of this technology with a pilot program. 

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General Iron Industries is a scrap metal recycling company that has operated along the north branch of the Chicago River near Cortland Street and Clybourn Avenue. (WTTW News)

A longtime scrap metal recycler reaches a deal with the city to close up shop at its location next to the Lincoln Yards site and move operations to the Southeast Side. But not everyone is happy about it.

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Illinois Department of Natural Resources biologist Justin Widloe holds a bighead carp. (Chad Merda / Forest Preserve District of Will County)

If Asian carp invade the Great Lakes, experts say the fish would have a devastating effect on the marine food chain and the region’s $7 billion fishing industry. We get a look at efforts to keep them out of Illinois waterways.

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It’s a job as old as time, but one Chicagoan is beekeeping in her own unique way. Meet graphic designer-turned-beekeeper Jana Kinsman.

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A field of 10,000 cabbages in one of the Garfield Park Conservatory’s outdoor gardens is the centerpiece of a new “living exhibit” as part of the Chicago Architecture Biennial. (Brian Kinyon / Chicago Park District)

A pair of Danish architects hope to make a statement and spark conversations about food production with their new exhibit that’s part of the Chicago Architecture Biennial.

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One of 52 Blanding’s turtles released Wednesday at a DuPage County Forest Preserve site. (Ashley Hosmer / Peggy Notebaert Nature Museum)

After spending their first year at Chicago’s Peggy Notebaert Nature Museum, dozens of endangered Blanding’s turtles were released into the wild as part of a preservation effort that started more than 20 years ago.

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A unique view of Earth from the vantage point of NASA’s Lunar Reconnaissance Orbiter (LRO) in orbit around the moon. (Credit: NASA / Goddard / Arizona State University)

Adler Planetarium astronomer Mark Hammergren explains how a space-based sentry can help detect asteroids that will pass near Earth.

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PFAS foam in Van Ettan Lake in northeastern Michigan. (Michigan Department of Environmental Quality / Flickr)

The National Wildlife Federation warns that pollution from PFAS chemicals – often called “forever chemicals” because they don’t break down over time – could be one of the most serious threats facing the Great Lakes region. 

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Diamonds from the Juina area: most of these are super-deep diamonds. (Credit: Graham Pearson)

Scientists in Spain have been analyzing so-called super-deep diamonds as a means to learn more about the formation of the Earth itself. Rabiah Mayas tells us more about that and other stories making science headlines.

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John Rogers, who leads the Center for Bio-Integrated Electronics at Northwestern University. (WTTW News)

The future of medical monitoring is taking shape in a laboratory just north of Chicago. We learn about a new generation of flexible electronics.

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An image of rice fields in Ubud, Bali, submitted as part of the study by an archaeologist from the Max Planck Institute for the Science of Human History. (Lucas Stephens / University of Pennsylvania)

Humans in many areas of the world were farming, burning forests, grazing their animals and causing major changes to the environment some 1,000 years earlier than previously thought. 

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French children release balloons into the air during a D-Day remembrance ceremony at the United States Army Air Forces Transport Memorial in Picauville, France, June 1, 2017. (U.S. Air Force photo / Senior Airman Devin Boyer)

Five U.S. states have passed laws regulating the intentional release of balloons amid growing concerns over the risk they pose to wildlife. Illinois could be one of the next states to take action.

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William Ellinge, of Murrells Inlet, S.C., takes photos of waves crashing on the shore in Myrtle Beach, S.C., Thursday, Sept. 5, 2019, as Hurricane Dorian moves north off the coast. (Ken Ruinard / The Independent-Mail via AP)

Hurricane Dorian raked the Carolina coast with howling, window-rattling winds and sideways rain Thursday, spinning off tornadoes and knocking out power to more than 200,000 homes and businesses.

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Organic gardener Jeanne Nolan and chef Nicole Putzel show us what’s possible (and delicious) for local gardeners – even if you don’t have much space.