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. See more Pollution is a global problem. Although urban areas are usually more polluted than the countryside, pollution can spread to remote places where no people live. For example, pesticides … See more Polluted air can be dangerous, even if the pollutants are invisible. It can make peoples eyes burn and make them have difficulty breathing. It … See more Governments have tried to prevent acid rain by limiting the amount of pollutants released into the air. In Europe and North America, they have … See more Acid rain also wears away marble and other kinds of stone. It has erased the words on gravestones and damaged many historic buildings and monuments. The Taj Mahal, in Agra, India, was once gleaming white. Years of … See more WebSep 19, 2024 · Indoor air pollution is the presence of particles such as dust, dirt, or toxins in indoor air, often caused by burning solid fuels indoors. Learn the definition of indoor air pollution and its ...
Pollution Definition & Meaning - Merriam-Webster
WebOct 27, 2024 · Primary pollutants include carbon monoxide, oxides of nitrogen, sulfur oxides, volatile organic compounds (VOCs) and particulate pollution such as dust, ash or salt particles. Recent emissions control measures in the US are becoming increasingly stringent, and industries are held accountable if they exceed the agreed acceptable … Webpollutant: 1 n waste matter that contaminates the water or air or soil Types: show 7 types... hide 7 types... DDT , dichlorodiphenyltrichloroethane an insecticide ... mountain hipster
Pollutant Definition & Meaning - Merriam-Webster
WebDefine pollutant. pollutant synonyms, pollutant pronunciation, pollutant translation, English dictionary definition of pollutant. n. Something that pollutes, especially a waste material that contaminates air, soil, or water. WebSecondary Pollutant – Definition and Examples. Secondary pollutants are defined as the pollutants which form in the atmosphere. These secondary pollutants do not come directly from a source (like vehicles or power plants). It forms as a result of the pollutants the sources emit and reacting with the molecules in the atmosphere. WebAir pollution refers to any physical, chemical, or biological change in the air. It is the contamination of air by harmful gases, dust, and smoke which affects plants, animals, and humans drastically. There is a certain percentage of gases present in the atmosphere. An increase or decrease in the composition of these gases is harmful to ... mountainhill wolldecke