Colorful toxic water pollution in wetland environmental hazard environment.
Water pollution is the contamination of water bodies, usually as a result of human activities. Water bodies include for example lakes, rivers, oceans, aquifers and groundwater. Water pollution results when contaminants are introduced into the natural environment. For example, releasing inadequately treated wastewater into natural water bodies can lead to degradation of aquatic ecosystems. In turn, this can lead to public health problems for people living downstream. They may use the same polluted river water for drinking or bathing or irrigation. Water pollution is the leading worldwide cause of death and disease, due to water-borne diseases.[1][2] Water pollution can be grouped into surface water pollution. Marine pollution and nutrient pollution are subsets of water pollution. Sources of water pollution are either point sources and non-point sources. Point sources have one identifiable cause of the pollution, such as a storm drain, wastewater treatment plant or stream. Non-point sources are more diffuse, such as agricultural runoff.[3] Pollution is the result of the cumulative effect over time. All plants and organisms living in or being exposed to polluted water bodies can be impacted. The effects can damage individual species and impact the natural biological communities they are part of. The causes of water pollution include a wide range of chemicals and pathogens as well as physical parameters. ContamWetlands have been steadily and rapidly disappearing across the country since the beginning of European settlement. (See map) Montana lost approximately 27% of its wetlands between the1780's and 1980's (See History of Wetlands). This is much lower than the national average. Laws created in the last half-century have attempted to stop the loss of wetlands in the US, but the loss continues. (An EPA resource for wetland laws.) This loss is mainly associated with certain land uses. Land uses with the greatest impact on Clark Fork Basin wetlands are:
Size: 5976px × 3984px
Location: Salem, New Jersey
Photo credit: © NPSphotography / Alamy / Afripics
License: Licensed
Model Released: No
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