Cleveland's Cuyahoga River caught fire over a dozen times

The environmental crises of the late 1960s led to the founding of the EPA

Disasters such as the Cuyahoga River fire and the Santa Barbara oil spill prompted Congress and President Nixon to establish the Environmental Protection Agency in December 1970, with the goal of unifying federal efforts to control pollution.

The Love Canal disaster exposed the dangers of buried toxic waste

In the late 1970s, residents of Niagara Falls, New York, discovered their neighborhood was built atop 20,000 tons of chemical waste. Leaking toxins caused illness and birth defects, sparking nationwide outrage and leading to the creation of the EPA's Superfund cleanup program in 1980.

How a polluted New York City waterway created extremophiles hungry for 'black mayonnaise'

In the 19th century, coal processing plants, oil refineries, a tannery, and other industries lining the Gowanus Canal contaminated its waters with coal tar, sewage, and other pollutants, forming the toxic sludge. Samples taken from the site before clean-up efforts revealed over 450 species of microbes with metabolisms adapted to break down these contaminants.

The East Palestine, Ohio, train derailment explained

A train transporting a number of potentially dangerous chemicals derailed near the Ohio–Pennsylvania border in early February 2023. The extent of the leak has caused a number of environmental concerns and required a controlled burn to clear most...

The surprising world of coal seam fires

Hundreds of coal seam fires are actively smoldering around the world at any given time, including some that have stayed lit for centuries. These fires have occurred naturally for millions of years, lit atop deposits of coal in the earth. Dive into...

View how cleanup crews respond to oil spills to minimize lasting damage

Oil floating on the surface can be pushed into booms with water hoses to contain the spill before being suctioned by vacuums, set on fire, or picked up by absorbent materials. In some environments, chemical cleaners can be used to disperse oil into smaller droplets that can dilute in the water, evaporate in the sunlight, or be consumed by oil-eating microbes.

The federal government allowed toxic chemicals into alcohol during Prohibition

Industrial alcohol was still legal during Prohibition, and was often used by bootleggers. In an attempt to disrupt the black market, the government required toxic additives to be included in industrial alcohol, leading to more than one death.

The 1975 sinking of the Edmund Fitzgerald spurred a number of maritime changes

One of the worst Great Lakes shipwrecks in modern history, the freighter sank during an intense storm on Lake Superior that reportedly produced 50-foot waves. The exact cause remains unknown, and the disaster remains in public consciousness today.

Fremont, Ohio, produces over one billion pounds of Heinz ketchup every year, often sending the smell of the condiment through the small city

Most of the United States' Heinz ketchup is produced at the northeast Ohio plant, which has been open since 1937.

The fracking industry has created hundreds of thousands of jobs since 1949

The method of extracting fossil fuels from shale rock formations has saved Americans an estimated $23B annually in energy costs. Every year, fracking generates billions of gallons of wastewater and causes methane—a greenhouse gas that is over 25 times more potent than carbon dioxide—to leak into the atmosphere.

Hundreds of vulnerable Chicago residents died in 1995 during a long-lasting heat wave

Eric Klinenberg wrote a book diving into the specifics of the heat wave. His book, detailing the stories and context fueling more than 700 deaths during just one summer week, helps readers understand how social infrastructure lapses, power outages, and ineffective heat responses led to so many deaths.

Well before the publication of 'Walden,' Henry David Thoreau nearly burned down his hometown

On April 30, 1844, the transcendentalist set a campfire that quickly grew out of control, burning 300 acres of woods near Concord, Massachusetts. For years, Thoreau remarked that other residents called him the "woods burner." Thoreau, though, felt no guilt, writing in 1850, "It has never troubled me from that day to this more than if the lightning had done it."

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

The recorded history of crude oil use, starting with Babylonians waterproofing boats

The ancient civilization located in modern-day Iraq also used crude oil as mortar in construction, while the Egyptians used it to treat human remains during the mummification process. After the invention of the first motorcar in 1885 and the introduction of the affordable Model T in 1908, demand for crude oil skyrocketed.

Before writing 'Walden,' transcendentalist Henry David Thoreau nearly burned down his hometown with a campfire that grew out of control.

The use of fungi to detoxify land and water—a process known as mycoremediation—has been used to clean up natural resources affected by the 2025 California wildfires.

Review the health effects of living near oil refineries, including increased respiratory risks

An analysis of 54 studies published between 1977 and 2024 in 15 international regions found evidence that proximity to refineries increased the risks of leukemia, asthma, bronchitis, and respiratory symptoms. Several studies also identified worse cardiovascular function in children and adults living near refineries, alongside other acute and chronic health impacts.

11 people died from firework injuries in the US in 2024.

Chernobyl's remaining reactors kept running for 14 years after the explosion

Due to energy shortages in Ukraine, Chernobyl's other undamaged reactors continued operating for years. Units 1 and 2 operated until 1996 and 1991, respectively, while Reactor 3 remained online until December 15, 2000, when Ukraine finally shut down the plant.

Reflections on the Erie Canal’s 200-year history

Reflections on the Erie Canal traces the waterway from its 1825 opening to its evolving role today. Each short video in this 10-part series explores a different aspect of the canal and its legacy today.

Niagara Falls stopped flowing for a full day in 1848 due to ice

In March 1848, ice jams halted the Niagara River entirely for over 24 hours, allowing people to walk on the riverbed—a rare event that drew international headlines.

The Kent State massacre sparked a nationwide student strike

In 1970, the Ohio National Guard opened fire on Kent State University students—peacefully protesting the Vietnam War—and killed four. The tragedy led to more widespread nationwide protests, shutting down more than 200 colleges and universities. The event led to a Pulitzer Prize-winning photo of a slain and grieving student.

Recovering the USS Oklahoma was the largest naval salvage operation ever attempted

In 1943, engineers spent three months using 21 giant winches and an intricate cable system to right the capsized USS Oklahoma. It was the largest naval salvage effort ever attempted at the time and remains one of the most complex in history.

Fireworks-related ER visits in 2024 increased by 52% as compared to the prior year

In 2023, there were 9,700 such injuries, but the number was 14,700 in 2024, according to analysis from the Consumer Product Safety Commission. Personal use of fireworks grew significantly during the pandemic, in part due to cancellations of public display shows, and that use has apparently continued—and prompted more injuries. What's more, the Census Bureau indicates that firework imports increased by around 19% between 2023 and 2024.

What was the Great Fire of Rome?

In the hours between July 18 and 19 in 64 CE, the glittering capital of ancient Rome became engulfed in flames. This 46-minute podcast details the Great Fire of Rome that destroyed much of the city, according to historical literary sources. The fire burned for nine days after starting at market stalls near the Palatine Hill and the Circus Maximus, one of the city's largest chariot racing stadiums. The fire's cause remains unknown.

Between 10 million and 50 million people in the US develop rashes from poison ivy, poison sumac, and poison oak each year.

Thermal runaway reactions can cause batteries to catch fire or explode

If a lithium-ion battery is heated, punctured, crushed, or short-circuits due to manufacturing flaws or degradation, the cathode and anode can make contact without the resistance provided by a circuit. The ensuing spike in chemical reactions increases the temperature and can release oxygen, initiating and intensifying burning of the battery's interior.

This American Life explored Ohio's gerrymandering battle

In 2022, Ohio lawmakers repeatedly drew congressional districts that the state Supreme Court ruled unconstitutional. This defiance violated a voter-approved reform intended to prohibit partisan gerrymandering.

The history of the North American power grid, which is composed of five major grids

Thomas Edison's Pearl Street Station was the first US commercial power plant, burning coal to power lamps for some Manhattan residents. Over time, local power plants would be bought out by larger ones, forming interconnected systems spanning multiple states. Today, the Eastern Interconnection and Western Interconnection are the largest of these systems.

In 1915, workers recovered a submarine-like vessel from the Chicago River, prompting fears of German espionage

See every Olympic torch used since its debut in 1936

The 1936 Berlin Games were the first to use a torch relay to light the Olympic cauldron. At each subsequent Olympic Games, the host country designed a new set of torches. See what each torch looked like, the start and end date of the relay, the number of torches produced, what type of fuel was used, and view a map of the route.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

In 1984, Operation Smash Hit intentionally crashed a 239-ton train into a nuclear waste canister at 100 miles per hour to prove the canister's safety, which remained completely intact and lost just 0.29 of its 100 pounds of pressure.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

Dirty lightning is a thunderstorm created from friction between rising and falling flows of ash and smoke during volcanic eruptions.

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

A century of Billboard issues documenting the evolution of popular music.

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

Graffiti dates back to at least ancient Pompeii, where citizens scrawled messages to one another on public walls

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in terms of casualties, forces mobilized, and displacement of civilians.

Power lines are dotted with large, brightly colored balls to improve the visibility of these thin wires to helicopters and small planes and help prevent potential crashes.

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

American short story writer Flannery O'Connor raised 40 peacocks, which became potent symbols for her fiction's elegant violence

Sony set the standard for cylinder-shaped batteries when it repurposed manufacturing equipment used to make rolls of magnetic recording tape.