The population at Brookfield Zoo is growing. Last week, the zoo adopted two California Sea Lions – both with health issues. We meet Carolyn and Sabiena as they get physical exams at the zoo.

A new ordinance has been introduced in City Council to severely reduce farm animal adoption in Chicago. We discuss the proposal with Ald. Raymond Lopez and Laura Calvert of Advocates for Urban Agriculture.

North America’s skies are lonelier and quieter as nearly 3 billion fewer wild birds soar in the air than in 1970, a comprehensive study shows.

Steady rain throughout much of the spring led to the state’s worst flooding in more than 25 years, according to the Illinois Emergency Management Agency. More than two dozen counties can now apply for federal funding to help with recovery efforts.

The planet is getting hotter, and tackling that climate peril will grab the spotlight as world leaders gather for their annual meeting at the United Nations this week.

Protesters marched from Grant Park to Federal Plaza on Friday to demand action on climate change. The youth-led event was one of several in Chicago, and one of many dozens throughout the world. 

The bill, which still needs approval in the full House and the Senate, would expand a 10-year effort to clean up toxic pollution, restore fish and wildlife habitat, manage invasive species and reduce runoff pollution in the Great Lakes.

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.

The fate of a 6-acre nature sanctuary on the city’s South Side is at the center of a debate over Tiger Woods’ $30 million plan to transform two golf courses. And it’s health is also in question. We go for a visit.

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. 

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.

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.

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.

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.

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.

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