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smog
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Los Angeles smog smog over a village in India
Learn how pollution from industrial emissions and car exhaust is trapped against mountains to cause smog
Los Angeles smog smog
Related Questions
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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?
tornado, digitally altered image. (storm; wind; clouds; natural disaster)
The Great Molasses Flood and 6 Other Strange Disasters
Lightning over the outskirts of Oradea, Rom., during the thunderstorm of August 17, 2005.
16 Questions About Earth’s Atmsophere and Weather Answered
Aerial view of Tokyo, Japan at dusk circa 2009. Tokyo Tower (right) located in Shiba Park, Minato, Tokyo, Japan. Office buildings, architecture, skyscrapers, skyline.
Is Light Pollution Really Pollution?
Group of colorful apartments on Caminito Street, La Boca, Buenos Aries, Argentina.
How Do Countries Choose Their Capital Cities?
Discover
Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.
9 of the World’s Deadliest Mammals
Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.
10 of the World’s Most Dangerous Fish
Rural Irish landscape, Sligo, Ireland.
Why Is Ireland Two Countries?
Shah Jahan. Taj Mahal. Mughal architecture. Emperor Shah Jahan fifth Mughal Emperor (reigned 1628-1658) India, Himachal Pradesh, Basohli or Jammu and Kashmir, Mankot, circa 1690 Drawings; Opaque watercolor, gold, and ink on paper (see notes)
6 Important Mughal Emperors
Baseball laying in the grass. Homepage blog 2010, arts and entertainment, history and society, sports and games athletics
10 Greatest Baseball Players of All Time
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?
Easter Procession of Maria Santisima del Sacromonte in Granada, Spain. This statue is known as Virgen de los Gitanos or The Virgin of the Gypsies.
What is Holy Week?

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Los Angeles smog
smog over a village in India
Los Angeles smog
smog
Learn how pollution from industrial emissions and car exhaust is trapped against mountains to cause smog
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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