FILE - Swimmers try to stay cool in near 100-degree temperatures at Red Oaks Waterpark in Madison Heights, Mich., June 28, 2012. (Paul Sancya / AP Photo, File)

Drowning is the leading cause of death for children ages 1 to 4 and the second leading cause of unintentional death for children in the 5 to 14 age group, according to the Centers for Disease Control and Prevention.

FILE - Emissions rise from smokestacks at the Jeffrey Energy Center coal power plant, near Emmett, Kan., Sept. 18, 2021. (Charlie Riedel / AP Photo, File)

The rule applies mostly to states in the South and Midwest that contribute to air pollution along the East Coast. Some states, including Illinois and Wisconsin, both contribute to downwind pollution and receive it from other states.

File photo. (Pixabay)

Astronomical summer officially begins at 3:50 p.m. on Thursday, when the sun shines directly on the Tropic of Cancer, according to the National Weather Association. Thursday will see nearly 15 hours and 14 minutes of daylight.

Chicago lakefront on a summer day. (Michael Izquierdo / WTTW News)
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Environmental and consumer advocates predict more legal protections from the heat in the near future, as climate change continues to wreak havoc.

The head of a cicada sits on a table after West Virginia University mycology professor Matt Kasson cut the head and thorax from a live periodical cicada infected with the Massospora cicadina fungus during field processing at Morton Arboretum on Thursday, June 6, 2024, in Lisle, Ill. (AP Photo/Carolyn Kaster)

With their bulging red eyes and their alien-like mating sound, periodical cicadas can seem scary and weird enough. But some of them really are sex-crazed zombies on speed, hijacked by a super-sized fungus.

County Line Orchard and its hayfield/overflow parking lot, photographed June 16. (Chicago Ornithological Society / X)

What happens when an endangered bird nests in a hayfield set to be harvested? A great debate has been swirling in Northwest Indiana. 

First responders conducted multiple rescues along Chicago's lakefront Monday. (Chicago Fire Media)

Multiple people have drowned in recent days as Chicagoans head to Lake Michigan to beat the heat. 

Left: Native-born Imani at Montrose Beach, April 2023. (Courtesy of Matthew Dolkart) Right: A piping plover egg – a product of piping plover pair Imani and Searocket – recently spotted at Montrose Beach. (Courtesy of Chicago Park District)

Only one egg had initially been reported at the end of May, but now monitors say Imani and Sea Rocket are incubating a full clutch of four eggs.

(Pexels / Pixabay)

All of the Chicago Park District’s 77 outdoor and indoor pools are expected to be open six days a week from June 17 through Sept. 2. Beaches are also open.

A man on a bike photographs the sunset at the Great Salt Lake Thursday June 13, 2024, near Salt Lake City. (AP Photo / Rick Bowmer)

Last year the U.S. had the most heat waves — abnormally hot weather lasting more than two days — since 1936. In the South and Southwest, last year was the worst on record, according to the National Oceanic and Atmospheric Administration.

An adult black-crowned night heron on the nest in Lincoln Park Zoo. (Patty Wetli / WTTW News)

The endangered black-crowned night herons aren’t captive, they just happened to build their nests on the grounds of Lincoln Park Zoo. Why? Because they like having bodyguards.

Conservation group Openlands now offers its TreeKeeper certification course in Spanish. (WTTW News)

Chicago’s tree canopy is in decline and ranks far below the national average, according to the U.S. Department of Agriculture, which also indicates a disparity in trees on the city’s South and West sides. The local conservation organization Openlands has been working to reverse these trends.

A tawny frogmouth at Brookfield Zoo made the wise choice to play with but not eat a periodical cicada. The insects have been linked to disease in some birds. (Jim Schulz / Brookfield Zoo Chicago)

All signs point to a cicada-induced vitamin deficiency as the cause of a mystery disease that affected some birds during a 2021 emergence and now again in 2024.

The Crowder family surveys their home destroyed by a tornado on May 7, 2024, in Barnsdall, Oklahoma. (Brandon Bell / Getty Images via CNN Newsource)

The U.S. has been thrashed with 11 extreme weather disasters with costs exceeding $1 billion so far this year, with a total price tag of $25.1 billion, according to an updated tally from the National Oceanic and Atmospheric Administration. It’s tied for the second-most such disasters on record and doesn’t even include the extreme weather in the second half of May, said Adam Smith, an applied climatologist with NOAA.

(Patty Wetli / WTTW News)

The Chicago Park District also received nearly $1.5 million to conduct an inventory. Morton Arboretum's Chicago Region Trees Initiative is administering the grants on behalf of the Illinois Department of Natural Resources.

The Chicago Archaeopteryx, unveiled in May, has been on display in a temporary exhibit. It will go off view for the summer while its permanent exhibit is under construction. (Patty Wetli / WTTW News)

After Saturday, the Field Museum’s newest dinosaur fossil will be off display until fall while staff works on building a permanent exhibit for the Chicago Archaeopteryx.