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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
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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)
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Chinese pictograph, calligraphy tablet of Huang Tingjian, a famous calligrapher in Ancient Song Dynasty. The background of Chinese cultural elements.
The World’s 5 Most Commonly Used Writing Systems
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
Submerged sperm whale off east Sri Lanka coast, mammal
How Did the Sperm Whale Get Its Name?
Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,
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Artist interpretation of a Space meteoroid impact. Meteor impact. Asteroid, End of the world, danger, destruction, dinosaur extinct, Judgement Day, Planet Earth, Doomsday Predictions, comet
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Ice Sledge Hockey, Hockey Canada Cup, USA (left) vs Canada, 2009. UBC Thunderbird Arena, Vancouver, BC, competition site for Olympic ice hockey and Paralympic ice sledge hockey. Vancouver 2010 Olympic and Paralympic Winter Games, Vancouver Olympics
10 Best Hockey Players of All Time
Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.
7 Deadliest Weapons in History

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Almost Half of Americans Breathe Unhealthy Air, Report Finds • Apr. 22, 2025, 6:29 PM ET (New York Times)
Seasonal air pollution found to undermine IVF success • Apr. 17, 2025, 5:42 AM 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)

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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