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  2. Mar 2, 2022 · There are typically five recognized categories of pollution or examples of pollution: air, land, water, noise, and light. Air pollution is usually caused by the release of harmful gases...

  3. Jul 18, 2022 · Some are emitted directly from a source, such as construction sites, unpaved roads, fields, smokestacks or fires. Most particles form in the atmosphere as a result of complex reactions of chemicals such as sulfur dioxide and nitrogen oxides, which are pollutants emitted from power plants, industries and automobiles.

  4. Other examples of raw water are groundwater abstracted through borehole, rivers, natural and man-made lakes, and reservoirs. The raw water can be supplied for potable use after simple filtration steps and disinfection. After domestic or industrial usage, water is discharged in sewage system.

  5. Mar 8, 2021 · The paper summarizes the evidence for eight hallmarks of environmental insults: Oxidative stress and inflammation: When antioxidant defenses are depleted, inflammation, cell death, and organ damage occur. Genomic alterations and mutations: An accumulation of DNA errors can trigger cancer and other chronic diseases.