Oh no! This page was snatched by this mandrill. - Education
This endangered mandrill (Mandrillus sphinx) was photographed by National Geographic Photographer Joel Sartore on Bioko Island, Equatorial Guinea, in his ambitious project to …
Air Pollution - National Geographic Society
2024年11月15日 · Air pollution consists of chemicals or particles in the air that can harm the health of humans, animals and plants. It can even damage buildings. Pollutants in the air take …
Pollution - Education | National Geographic Society
2024年11月7日 · The three major types of pollution are air pollution, water pollution, and land pollution. Air Pollution Sometimes, air pollution is visible. A person can see dark smoke pour …
Some types of air pollution, such as smoke from wildfires or ash from volcanoes, occur naturally. These are called natural sources. Air pollution is most common in large cities where emissions …
Air - Education | National Geographic Society
2024年10月1日 · Air pollution happens when harmful byproducts, like exhaust from cars, enter the air. These pollutants can clog the atmosphere with smog , a combination of smoke and fog. …
Smog - Education | National Geographic Society
2024年10月1日 · Smog is air pollution that reduces visibility. The term "smog" was first used in the early 1900s to describe a mix of smoke and fog. The smoke usually came from burning coal. …
Point Source and Nonpoint Sources of Pollution - Education
2024年10月1日 · Factories and power plants can be a source of point-source pollution, affecting both air and water. Smokestacks may spew carbon monoxide, heavy metal, sulfur dioxide, …
Air Pollution 101 - National Geographic Society
2024年10月1日 · What is air pollution? Learn how greenhouse gases, smog, and toxic pollutants effect climate change, and human health.
Noise Pollution - National Geographic Society
2024年3月6日 · Noise pollution impacts millions of people on a daily basis. The most common health problem it causes is Noise Induced Hearing Loss (NIHL). Exposure to loud noise can …
Light Pollution - National Geographic Society
2024年4月1日 · Light pollution, the excessive or inappropriate use of outdoor artificial light, is affecting human health, wildlife behavior, and our ability to observe stars and other celestial …