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5 days ago · Water pollution is the release of substances into water bodies that interfere with their beneficial use or natural functioning. Learn about the types, sources, and impacts of water pollution, as well as the methods to control and prevent it.
A practical definition of water pollution is: "Water pollution is the addition of substances or energy forms that directly or indirectly alter the nature of the water body in such a manner that negatively affects its legitimate uses.": 6 Water is typically referred to as polluted when it is impaired by anthropogenic contaminants.
Jan 11, 2023 · Water pollution is when harmful substances contaminate a water body, degrading water quality and rendering it toxic. Learn about the major sources, types, and impacts of water pollution and what you can do to help.
- Autumn Spanne
- Agricultural Waste and Nutrient Pollution. Each summer off the coast of Louisiana and Texas, scientists measure a dead zone—an area with insufficient oxygen to sustain marine life.
- Industrial and Extractive Waste. Chemicals and heavy metals from industrial facilities and power plants, along with extractive industries like oil and gas drilling and mining, also contaminate water, often with devastating consequences.
- Wastewater. Wastewater refers to everything that goes down a drain or through a sewage pipe. Human waste contains not only bacteria and viruses, but pharmaceutical products, nutrients like phosphorus and nitrogen, and contaminants that we’ve consumed.
- Plastic Pollution. Plastics pose another challenge as rapid production of disposable plastic products outpaces humanity’s ability to manage the waste. Significant amounts of plastic end up in waterways and eventually the world’s oceans.
Mar 16, 2010 · Learn what water pollution is, how it affects human and wildlife health, and what solutions are being explored. Find out about the sources, effects, and solutions of water pollution from this article by National Geographic.
- Christina Nunez
- 15 min
Oct 1, 2023 · Water pollution is the introduction of substances or energy into water that harm living resources, human health, or other uses. Learn about the types, sources, and impacts of water pollution, and how to prevent and reduce it.
Jul 3, 2022 · Learn about the six most common causes of water pollution, such as sewage, oil spills, industrial waste, agricultural runoff, marine dumping and radioactive waste. Find out how to reduce water pollution and protect our freshwater resources.
