Pollution - National Geographic Society
WEBMar 6, 2024 · Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories. Pollutants damage the quality of air, water, and land.
Pollution | Definition, History, Types, & Facts | Britannica
WEBSep 11, 2024 · Pollution, addition of any substance or form of energy to the environment at a rate faster than it can be dispersed or stored in a harmless form. The major kinds of pollution are usually classified by environment and include air, water, and land pollution. Learn more about the history of pollution.
Air Pollution - National Geographic Society
WEBMar 6, 2024 · Air pollution consists of chemicals or particles in the air that can harm the health of humans, animals, and plants. It also damages buildings. Pollutants in the air take many forms. They can be gases, solid particles, or liquid droplets. Sources of Air Pollution.
Air Pollution Facts, Causes and the Effects of Pollutants in the Air - NRDC
WEBOct 31, 2023 · The effects of air pollution wreck havoc on human health and our planet as a whole. Learn about what causes air pollution and how to help reduce the effects.
Air pollution | Effects, Causes, Definition, & Facts | Britannica
WEB2 days ago · Air pollution, release into the atmosphere of various gases, finely divided solids, or finely dispersed liquid aerosols at rates that exceed the natural capacity of the environment to dissipate and dilute or absorb them. High concentrations can cause undesirable health, economic, or aesthetic effects.
Air Pollution - Our World in Data
WEBAir pollution – the combination of outdoor and indoor particulate matter and ozone – is a risk factor for many of the leading causes of death, including heart disease, stroke, lower respiratory infections, lung cancer, diabetes, and …
Air pollution, facts and information - National Geographic
WEBFeb 4, 2019 · Air pollution is a mix of particles and gases that can reach harmful concentrations both outside and indoors. Its effects can range from higher disease risks to rising temperatures. Soot,...
Water pollution facts and information - National Geographic
WEBMar 16, 2010 · From big pieces of garbage to invisible chemicals, a wide range of pollutants ends up in our planet's lakes, rivers, streams, groundwater, and eventually the oceans.
Water pollution | Definition, Causes, Effects, Solutions, Examples ...
WEBSep 4, 2024 · Water pollution is the release of substances into bodies of water that makes water unsafe for human use and disrupts aquatic ecosystems. Water pollution can be caused by a plethora of different contaminants, including toxic waste, petroleum, and disease-causing microorganisms.
Air pollution - World Health Organization (WHO)
WEBJul 29, 2024 · Air pollution is contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere. Household combustion devices, motor vehicles, industrial facilities and forest fires are common sources of air pollution.