particulate matter

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Fort McMurray, Alberta, Canada: wildfire

Turoszów Coal Basin

The powers of 10

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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?

Lightning over the outskirts of Oradea, Rom., during the thunderstorm of August 17, 2005.

16 Questions About Earth’s Atmsophere and Weather Answered

Model of global ocean currents and temperatures

How Do Ocean Currents Affect the Biosphere?

Statue eroded by acid rain, pollution, weathering.

What Happened to Acid Rain?

Air, land, and water pollution. Other types of pollution: plastic, noise, light, and thermal. infographic

What Are the Different Types of Pollution?

Discover

Orange basketball on black background and with low key lighting. Homepage 2010, arts and entertainment, history and society

The 10 Greatest Basketball Players of All Time

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

The Battle of Gettysburg, July 1-3, 1863. (Civil War, Pennsylvania)

9 Worst Generals in History

Town of Sisimiut located on the coast of the Davis Strait on Kangerluarsunnguaq Bay, Greenland

The Largest Islands in the World

The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.

What If the President Is Impeached?

Entrants falling and tumbling over while chasing the cheese at the 2016 'Cheese Rolling' held at Cooper's Hill, in the Cotswolds, Brockworth England

7 of the World’s Most Dangerous Festivals

Indian hijras participate in a religious procession in Gandhinagar, India, some 30 kilometers from Ahmedabad, on March 22, 2017. Hijra is a term used in South Asia which refers to transgender individuals who are born male. (gender identity, gender expression)

6 Cultures That Recognize More than Two Genders

particulate matter: Media

atmospheric science

Images

Fort McMurray, Alberta, Canada: wildfire

Fort McMurray, Alberta, Canada: wildfire

Smoke rising from a wildfire raging outside Fort McMurray, Alberta, Canada, May 2016.

Mary Anne Sexsmith-Segato—The Canadian Press/AP

Turoszów Coal Basin

Turoszów Coal Basin

Turów coal-fired power plant near Bogatynia, in the Turoszów Coal Basin, Poland.

Vondraussen

The powers of 10

The powers of 10

Examples from biological and mechanical realms illustrate various “orders of magnitude”...

Illustration: Encyclopædia Britannica, Inc.; photographs:(microelectromechanical devices) Courtesy Sandia National Laboratories, SUMMiT™ Technologies; (quantum corral) courtesy IBM Research Center, unauthorized used not permitted; (red blood cells) Susumu Nishinaga/Science Source; (human hair) Manfred Kage/Peter Arnold, Inc.; (dust mite) Andrew Syred/Science Source

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