Pollution - Education | National Geographic Society
2024年11月7日 · Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants.
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 document every species in captivity—inspiring people not just to care, but also to help protect these animals for future generations. Before drills disappear, like this webpage has, learn how …
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 objects. That Earthly Sky Glow. Light pollution is a global issue.
Point Source and Nonpoint Sources of Pollution - Education
2024年10月1日 · It is pollution that comes from many places, all at once. The United States Environmental Protection Agency (EPA) defines point source pollution as any contaminant that enters the environment from an easily identified and confined place.
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.
Runoff - Education | National Geographic Society
2023年10月19日 · People can limit runoff pollution in many ways. Farmers and gardeners can reduce the amount of fertilizer they use. Urban areas can reduce the number of impervious surfaces. Soil acts as a natural sponge, filtering and absorbing many harmful chemicals. Communities can plant native vegetation.
Marine Pollution - Education
2024年9月18日 · Marine pollution is a combination of chemicals and trash, most of which comes from land sources and is washed or blown into the ocean. This pollution results in damage to the environment, to the health of all organisms, and to economic structures worldwide.
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 many forms. They can be gasses, solid particles or liquid droplets. Sources of Air Pollution. Pollution enters the Earth's atmosphere in many different ways.
What Is Water Pollution? - National Geographic Society
2025年1月8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 visible to the naked eye, such as cigarette butts, plastic bottles, and bags.
Noise Pollution - National Geographic Society
2024年3月6日 · Noise pollution can cause health problems for people and wildlife, both on land and in the sea. From traffic noise to rock concerts, loud or inescapable sounds can cause hearing loss, stress, and high blood pressure.