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2024年8月13日 · Water pollution is the release of substances (such as chemicals or microorganisms) or energy (in the form of radioactivity or heat) into surface and subsurface waters to the point that the substances interfere with beneficial use of the water or with the natural functioning of ecosystems.
2023年1月11日 · Water pollution occurs when harmful substances—often chemicals or microorganisms—contaminate a stream, river, lake, ocean, aquifer, or other body of water, degrading water quality and ...
Water pollution (or aquatic pollution) is the contamination of water bodies, with a negative impact on their uses. [ 1]: 6 It is usually a result of human activities. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwater. Water pollution results when contaminants mix with these water bodies.
2010年3月16日 · Water pollution—along with drought, inefficiency, and an exploding population—has contributed to a freshwater crisis, threatening the sources we rely on for drinking water and other critical...
- Christina Nunez
- 15 分鐘
2024年4月22日 · What Is Water Pollution? Water pollution happens when harmful substances mix with water in rivers, lakes, oceans, and underground, making it dangerous and unusable for people, animals, and plants. Pollution can take various forms, including chemicals, pathogens, plastics, and other waste materials.
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Water pollution impacts are obvious. Bacteria, excessive nutrients, toxic chemicals and other pollutants can make swimmers sick, contaminate or kill marine life, and give off malodor. Like other major cities in the world, Hong Kong has devoted considerable efforts to improve our water quality.
2021年10月20日 · Water pollution is defined by any contaminants discharged into aquatic ecosystems that lack the capacity to absorb or remove them. This encompasses contamination from physical debris,...
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