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air pollution
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Air pollution in Mexico City Air pollution in Gurugram
How is air quality measured?
The video thumbnail image shows a person's hand holding small fragments of colorful plastic.
Automobile emissions SO2 and NOx emissions in the U.S. ozone damage on leaf Bhopal, India: pesticide plant air pollution greenhouse effect on Earth
For Students
Air pollution in Mexico City
air pollution summary
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Air, land, and water pollution. Other types of pollution: plastic, noise, light, and thermal. infographic
What Are the Different Types of Pollution?
Statue eroded by acid rain, pollution, weathering.
What Happened to Acid Rain?
Lightning over the outskirts of Oradea, Rom., during the thunderstorm of August 17, 2005.
16 Questions About Earth’s Atmsophere and Weather Answered
tornado, digitally altered image. (storm; wind; clouds; natural disaster)
The Great Molasses Flood and 6 Other Strange Disasters
Discover
Hemp (Cannabis sativa).
9 Mind-Altering Plants
Nazi Germany, Nazi SS troops marching with victory standards at the Party Day rally in Nuremberg, Germany, 1933. (Schutzstaffel, Nazi Party, Nurnberg)
Why Was Nazi Germany Called the Third Reich?
Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)
All 119 References in “We Didn’t Start the Fire,” Explained
illustration of the walking titanosaurus, Patagotitan mayorum
Titanosaurs: 8 of the World's Biggest Dinosaurs
The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.
What If the President Is Impeached?
Two chicks near an egg with a white background (poultry, chick, chickens, birds).
What Do Eggs Have to Do with Easter?
Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)
7 of the World’s Deadliest Shipwrecks

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News •

Seasonal air pollution found to undermine IVF success • Apr. 16, 2025, 11:17 PM ET (News-Medical)
Early-life exposure to air and light pollution linked to increased risk of pediatric thyroid cancer • Apr. 16, 2025, 10:03 AM ET (Medical Xpress)
With ever more urban wildfires, more ask – how dangerous is the smoke? • Apr. 13, 2025, 5:30 AM ET (South China Morning Post)
Toxic haze blankets Kathmandu, world's most polluted capital • Apr. 12, 2025, 5:30 AM ET (Deutsche Welle)
Helicopters Pack N.Y. Skies, Despite Years of Noise and Air Pollution Complaints • Apr. 10, 2025, 5:19 PM ET (New York Times)

Photos and Videos

Air pollution in Mexico City
Air pollution in Gurugram
Automobile emissions
SO2 and NOx emissions in the U.S.
ozone damage on leaf
Bhopal, India: pesticide plant
air pollution
greenhouse effect on Earth
Great Smog of London
ozone depletion
How is air quality measured?
The video thumbnail image shows a person's hand holding small fragments of colorful plastic.
Major types of pollution explained
Learn how pollution from industrial emissions and car exhaust is trapped against mountains to cause smog
Visit Germany's Black Forest to study the effects of industrial emissions, urban smog, and acid rain
See All Videos and Images →

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