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  2. Human impact on river systems - Wikipedia

    en.wikipedia.org/wiki/Human_impact_on_river_systems

    Anthropogenic activities also include discrete elements like the use of fire, domestication of plants and animals, soil development, the establishment of settlements and irrigation. [3] River ecosystems have been transformed downstream from the point of pollution.

  3. List of most-polluted rivers - Wikipedia

    en.wikipedia.org/wiki/List_of_most-polluted_rivers

    By the 1960s the river had become a neglected, polluted mess due to undustrial pollution. In 1969, Pollution Probe held a much celebrated "Funeral for the Don" to highlight the plight of the river. [228] The river would have a few species of fish be restored following the closure of industrial sites and cleanup efforts. East River

  4. River ecosystem - Wikipedia

    en.wikipedia.org/wiki/River_ecosystem

    The effects of pollution often depend on the context and material, but can reduce ecosystem functioning, limit ecosystem services, reduce stream biodiversity, and impact human health. [ 75 ] Pollutant sources of lotic systems are hard to control because they can derive, often in small amounts, over a very wide area and enter the system at many ...

  5. Latest EPA assessment shows almost no improvement in river ...

    www.aol.com/news/latest-epa-assessment-shows...

    The Biden administration recently proposed toughening regulations on meat and poultry processing plants to reduce pollution, Wall said. When nutrient pollution flows into the Gulf of Mexico, it ...

  6. Environmental impact of irrigation - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    Sedimentation is an essential part of the ecosystem that requires the natural flux of the river flow. This natural cycle of sediment dispersion replenishes the nutrients in the soil, which will, in turn, determine the livelihood of the plants and animals that rely on the sediments carried downstream.

  7. Water pollution - Wikipedia

    en.wikipedia.org/wiki/Water_pollution

    Thermal pollution is the rise or drop in the temperature of a natural body of water caused by human influence. Thermal pollution, unlike chemical pollution, results in a change in the physical properties of water. A common cause of thermal pollution is the use of water as a coolant by power plants and industrial manufacturers. [46]

  8. Pollution of the Ganges - Wikipedia

    en.wikipedia.org/wiki/Pollution_of_the_Ganges

    The ongoing pollution of the Ganges, the largest river in the Indian subcontinent, poses a significant threat to both human health and the environment. [1] The river supplies water to approximately 40% of India's population across 11 states [2] and serves an estimated 500 million people—more than any other river in the world. [3] [4]

  9. Human impact on the environment - Wikipedia

    en.wikipedia.org/wiki/Human_impact_on_the...

    Water pollution also reduces the ecosystem services such as drinking water provided by the water resource. Sources of water pollution are either point sources or non-point sources. [155] Point sources have one identifiable cause, such as a storm drain, a wastewater treatment plant or an oil spill. Non-point sources are more diffuse.