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

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

    The nation’s rivers and streams remain stubbornly polluted with nutrients that contaminate drinking water and fuel a gigantic dead zone for aquatic life in the Gulf of Mexico, according to a ...

  3. Groundwater pollution - Wikipedia

    en.wikipedia.org/wiki/Groundwater_pollution

    Groundwater pollution (also called groundwater contamination) occurs when pollutants are released to the ground and make their way into groundwater.This type of water pollution can also occur naturally due to the presence of a minor and unwanted constituent, contaminant, or impurity in the groundwater, in which case it is more likely referred to as contamination rather than pollution.

  4. Environmental issues in the San Joaquin Valley - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_in...

    The water quality in the San Joaquin River is degraded due to runoff from irrigated agriculture, other agricultural activities (such as dairies and feed lots), municipalities. Elevated levels of selenium, fluoride and nitrates have been measured in the river and its tributaries. The selenium is believed to originate from soils on the west side ...

  5. Road ecology - Wikipedia

    en.wikipedia.org/wiki/Road_ecology

    The Environmental and Social Impact Assessment Study carried out for the development of the Tirana Outer Ring Road estimated that it would result in improved air quality in Tirana city center. [18] A new section of road being built near Hindhead, UK, to replace a four-mile section of the A3 road, and which includes the new Hindhead Tunnel, is ...

  6. Dead zone (ecology) - Wikipedia

    en.wikipedia.org/wiki/Dead_zone_(ecology)

    Throughout the river, there were consistently high levels of nitrogen and phosphorus, along with high levels of other contaminants contributing to the poor quality of life for bottom feeders along the river. [36] The main cause of the pollution to the Elizabeth river has been the military and industrial activities through the 1990s. [37]

  7. After $1.5 billion was spent, the centerpiece of Paris ... - AOL

    www.aol.com/news/inside-olympic-effort-clean...

    With less than 100 days to go before the Paris 2024 Olympic games in France, concerns about pollution in Paris' Seine river are being raised. ... in the city’s center, showed E. coli levels two ...

  8. Nonpoint source water pollution regulations in the United ...

    en.wikipedia.org/wiki/Nonpoint_source_water...

    The primary nutrients found in water due to nonpoint source pollution are nitrogen and phosphorus from fertilizers. An influx of these nutrients can lead to eutrophication within the water. This is when there is an excess of nutrients in water, thus leading to an explosion in the growth of algae. The algae can cover the lake and block sunlight ...

  9. Colorado River crisis is so bad, lakes Mead and Powell are ...

    www.aol.com/news/colorado-river-crisis-bad-lakes...

    The Colorado River Basin very well could get a few wet years, he said. “We might even get a wet decade. But, boy, the long-term warming and drying trend seems super clear to me,” Udall said.