How fighting wildfires works

Fire engines are among the most complex vehicles on the road

These vehicles are purpose-built to carry water, foam, hoses, ladders, and lifesaving equipment to a scene in minutes. This animated video pulls apart every system inside a pumper truck, showing exactly how the machinery that fights fires actually works.

See how a 2018 fire in Paradise, California, exposed the limits of emergency coordination

This Frontline documentary shows how the Camp Fire stretched and ultimately overwhelmed the complex web of agencies involved in emergency response, including fire suppression, 911 dispatch, law enforcement, and emergency management, with catastrophic results.

The ritual burns of California forests

Many ecosystems around the world have adapted to regularly occurring wildfires. Some human cultures saw the advantage of such fires and integrated them into their community rituals. Learn about similar tribal traditions looking to better manage California's forests today.

Rising wildfire smoke can create 'fire clouds'—towering clouds that can help combat fires through downbursts of rain or complicate firefighting efforts by triggering new fires via lightning strikes.

Containment refers to what percentage of a fire is surrounded by physical barriers, such as rivers or trenches, but it may still be burning and can jump containment with strong winds.

How the California wildfires are impacting wildlife

The deadly 2025 Eaton and Palisades Fires in California have devastated neighborhoods, forested canyons and chaparral—a type of shrubland. In addition to taking dozens of human lives and displacing thousands, the fires destroyed countless habitats and displaced many species. See the unfortunate effects of the flames on wildlife populations, including birds, snakes, wildcats, and fish.

A third of Americans now live in wildfire risk zones

Climate change and human development into fire-prone regions have extended the wildfire season, with some areas experiencing fire conditions year-round. Extreme conditions, poor compensation, and exposure to carcinogens have complicated firefighter recruitment, further exacerbating wildfire risks.

A history of raising the alarm, from rattles to 911

Because fires spread so quickly, communities around the world have deployed many tactics to raise the alarm to get help. This history from the Museum of Natural History dives into the use of rattles, bells, and brigades to gather help to fight fires, showing just how far we've come since 911 was introduced in 1968.

Track active wildfires, floods, and other natural disasters across the US in real time with this interactive map.

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.

Explore a real-time map of fine particle pollution from wildfires and other sources provided by the US Forest Service, which includes overlays for topography, street views, and satellite imagery.

Amazon fires: Causes, impact, and prevention strategies

This article explores the issue of rampant fires in the Amazon rainforest, detailing their root causes, devastating impacts, and potential prevention methods. The Amazon rainforest's unique biodiversity and climate conditions make it unsuitable for...

How trees transport water from roots to leaves

Trees move water to their extremities via a deft system starting from the roots to the leaves. See how it works in this short video breaking down the process in a Douglas fir.

Fire districts and fire departments are governed differently

A fire department is usually a municipal agency under the control of city or county authorities. In contrast, a fire district functions as an independent special district with its own elected board, separate budget, and taxing authority.

There are five main types of FIRE

Many different types of FIRE exist, and their methodologies and end goals vary drastically. “Lean FIRE” followers, for instance, are minimalists who plan to live modestly in retirement. “Barista FIRE” proponents plan to work part-time in retirement.

View the steps you can take to stop invasive species

Individuals who are outside should make sure to wash any outdoor gear and equipment with appropriate tools to limit the spread of seeds and other microorganism-carrying debris across locations. Pets, horses, and other animals should be similarly brushed, and firewood should be burned where it is purchased.

Watch a drone flight through a fireworks display

This video explores the history, construction, and preparation of modern fireworks displays, including creating gunpowder from scratch. Experimentation with fireworks underwater is also featured, but they require special materials to prevent water from infiltrating the fireworks shell.

As many as 100,000 fire ants can interlock with one another and form a living raft to save their colony when at risk of drowning in rising water.

NASA satellite data and sound recordings used to assess rainforest health

This two-minute video describes the work of scientists who are analyzing the impact of repeated forest fires in the Amazon by recording the unique sounds in degraded forests. The team is using acoustic sensors to record sounds of wildlife in the...

Favorable conditions for wildfires are becoming more frequent in the western US

A new study of the American West shows that climate change is driving more days that are hot, dry, and windy—the perfect conditions for deadly wildfires.

Why giant sequoias need fire to grow

Giant sequoias are the largest trees on Earth, living for upward of 3,000 years—and without fire, they couldn't reproduce. Regular fires help create space in the forest, while its heat opens up the sequoia cones, releasing the seeds onto the newly...

Go behind the scenes of a 911 dispatch center.

Volunteer fire departments are declining as communities shift to career staff

As populations increase and emergency calls grow more complicated, many communities are replacing volunteer fire departments with full-time professional staff—a change that boosts response capacity and reliability but also significantly raises costs.

The most effective method of managing invasive species is prevention education

Controlling a spread after a species has become established in an area is much more costly and time-consuming than early detection and rapid response. Control methods include the purposeful introduction of predators, the use of pesticides, herbicides, fungicides, and insecticides, and physical collection and removal.

Learn how your body is, scientifically, like a firework with its own slow, controlled burn.

The cleanup of oil and other chemical spills involves a combination of methods tailored to different settings, including vacuuming, dispersing absorbent materials, chemicals, or biological agents, and localized burning.

Modern landfills use layered liners, leachate systems, and gas monitors to safely contain waste

Today, landfill engineering is far more complex than a hole in the ground, which was largely the system cities used less than a century ago. This video explains how it actually works.

Watch how scientists learn about hurricanes by flying into them

A specialized fleet of Air Force planes is built to fly into hurricanes and gather critical data from inside the storm. Beyond radar and microwave sensors, the planes are equipped with dropsondes—small instruments dropped into storms to measure pressure, temperature, and wind.

Visualize the components of fireworks

This article provides animated diagrams depicting how different parts of fireworks function. The elements work together through timed mechanisms to produce desired effects.

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...

Most US fire departments are staffed entirely by volunteers, though they tend to serve smaller communities

According to the Federal Emergency Management Agency's 2024 registry, 70% of US fire departments are all volunteer, while 9.5% are fully staffed with paid employees. Volunteer departments are mainly found in rural and suburban areas, whereas most urban Americans are served by career or mixed departments.

Microforests in urban environments may help combat climate change

Areas of densely packed native trees and drought-tolerant plants within cities can pull carbon dioxide from the air, cool surrounding neighborhoods, and support local wildlife. The idea behind microforests traces back over 50 years to Japanese ecologist Dr. Akira Miyawaki, who promoted planting whole ecosystems to restore degraded land.

Fireworks' chemical composition and internal layout produce their unique displays

The burning of different metal compounds, facilitated by combining fuel with oxidizers, results in explosions of varying colors. The timing and pattern are engineered through the arrangement of pellets and fuses.

Appropriate timing of land management techniques can help support pollinators

The mowing, grazing, and burning practices used to maintain land should be tailored to the life cycles and needs of native pollinators, particularly those of rare or endangered species. For example, mowing is recommended in the fall or winter when flowers are not in bloom.

Pyrodrones combine fireworks with millisecond-accurate drone choreography

Drones are outfitted with fireworks and positioned using 3D software to ensure perfect timing and safe spacing during shows. A single GPS error during planning can ruin the show, as happened in 2024 when a drone crashed and injured a spectator due to programming failures.

The first known instance of a fire tornado occurred in 2003

During pyro-tornadogenesis, many processes that create thunderstorms from wildfires, such as rising hot air and steam from evaporated water in forests, fuel the formation of a fire tornado. The increasing rates of wildfires due to climate change are expected to make this phenomenon and other extreme weather more common.

Watch a pyrotechnician answer questions about fireworks

Professional pyrotechnician Patrick Cyrana answers the internet’s most curious questions about fireworks, from designing ghost effects and exploring how electronic firing systems work to explaining what it takes to create displays in the rain.

The FIRE movement stands for ‘financial independence, retire early’

FIRE followers typically prioritize high savings rates, relatively frugal living, and aggressive investing strategies in an effort to work less and enjoy life more in the long term. They range from low-income manual laborers to high-income tech workers and doctors.

Watch a pyromusical display to AC/DC’s “Thunderstruck”

The same principles behind fireworks also power the types of pyrotechnic displays in some live events. Here, you can see an application of the technology in a pyromusical set to rock band AC/DC’s iconic song, “Thunderstruck.”

Lightning may kill as many as 320 million trees each year

Ignoring the effects of tree loss resulting from lightning-induced wildfires, researchers at the Technical University of Munich developed a quantitative model to estimate the loss of these organisms due to cloud-to-ground strikes, based on global lightning data and forest structure. They expect the estimate to rise due to increased strikes resulting from climate change.

The complex science of snow removal

Plowing snow seems simple, but its actually a technically complex task and requires significant logistics, patience, and funding. New York City's 19,000 miles of roads require days to plow at a cost of $12M per inch of fallen snow, and roughly 17 million tons of salt were applied to road surfaces across the US in a recent year. Dive into the details of snow removal with an in-depth and funny video.

How fighter jet ejections work

One of the most complex pieces of equipment in a fighter jet is the pilot's ejection apparatus, and the process of ejecting is far more challenging and violent than its depicted in film. This six-minute video breaks down the protocol step-by-step.

What is immunotherapy and how does it work?

Immunotherapy is a type of treatment that harnesses the body's immune system to combat cancer. This video explainer from the American Cancer Society discusses various types of immunotherapies and their roles in targeting cancer cells. Still a new and quickly evoliving field, immunotherapy represents a significant advancement in cancer treatment and offers new options for patients.

Beyond burns, fireworks can harm respiratory, auditory, and visual health.

Firework or sparkler burns can have large effects on our hands' range of motion.

Learn all about different types of extreme weather

Find out in more detail about different types of extreme weather, from flooding to thunderstorms, from tropical cyclones to sandstorms, and more (w/ helpful videos).

Internal-combustion engines convert fuel into motion using controlled explosions

Gasoline engines mix fuel and air, compressing it and igniting it to create thousands of tiny explosions that push pistons up and down. This movement spins the crankshaft, which moves a vehicle's wheels.

Volatile chemical contamination can last in burn areas long after urban wildfires

Lead, arsenic, asbestos, and other chemicals have been found trapped in smoke-exposed rugs, couches, pillows, and other furniture that appeared otherwise undamaged from the 2025 LA wildfires. The gradual release of these substances has produced dangerous indoor air concentrations and contributed to increased emergency room visits and abnormal blood tests.

Fireworks contribute to air, water, and soil contamination and disrupt wildlife

Fireworks displays have far-reaching environmental consequences, including acid rain from displays during storms and microplastic pollution in water supplies. Wildlife has also been seen abandoning sites during fireworks and never returning.

A quick video on how your immune system works

Explore how your immune system's vast network of cells, tissues, and organs coordinate your body's defenses against bacteria, viruses and toxins with this 5-minute TED talk video.