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 …
Air Pollution 101 - Education
2024年10月1日 · What is air pollution? Learn how greenhouse gases, smog, and toxic pollutants effect climate change, and human health.
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 …
Air - 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. …
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, …
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 …
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 …
What Is Water Pollution? - National Geographic Society
2024年1月22日 · When asked what water pollution is, most students can readily explain pollution as trash thrown away by humans that enters our water. Students can readily identify items …
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. …
The World's Plastic Pollution Crisis Explained - Education
2023年10月19日 · Plastic pollution is most visible in less-wealthy Asian and African nations, where garbage collection systems are often inefficient or nonexistent. But wealthy nations, …
- 一些您可能无法访问的结果已被隐去。显示无法访问的结果