Browsing the "water pollution" Tag

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Drinking Water — Where It Comes From

Surface water — like lakes, rivers, and reservoirs — is one major source of our drinking water. Groundwater is another. The surface water comes from precipitation, like rain and melting snow and ice. Surface water moves over land to collect in lower areas, so it can contain chemicals it absorbs along the way. Some cities, like Los Angeles and […]

March 6th

“You Can’t Stop the Rage”: An Interview with Dr. Tyrone Hayes

Dr. Tyrone Hayes’ story reads like a movie script. Originally from a segregated town in South Carolina, the young African-American studied tadpoles in his yard and later won a scholarship to Harvard. He then became the second-youngest tenured professor in the Integrative Biology Dept. at UC-Berkeley. While doing research on the effects of atrazine for the chemical company Novartis (now owned by Syngenta), Hayes discovered that the popular pesticide causes chemical castration and feminization in frogs and hormonal disruption in humans that can lead to infertility and breast cancer.

January 28th

EPA Regulating Coal Ash

This week the EPA proposed national regulations to govern the safe management and disposal of coal ash from coal-fired power plants. In 2008, an impoundment full of waste coal ash from the Tennessee Valley Authority ruptured. The resulting 1.1 billion gallon spill caused major environmental damage to the surrounding land and water, displaced residents and […]

May 17th

USGS Documents Decreased Pesticide Levels in Corn Belt Streams

Pesticide runoff is one of the biggest problems facing streams, rivers and lakes in the agricultural regions around the U.S. A recent study found that the levels of several damaging pesticides are decreasing in the central United States. The study looked at eleven herbicides and insecticides consistently in Illinois, Indiana, Iowa, Nebraska, Ohio, and neighboring […]

November 23rd

Clean Water Act Violations Rarely Prosecuted

In an extensive series on “toxic waters”, the New York Times has discovered that “more than 50 percent of regulated facilities violated the Clean Water Act (CWA), but enforcement actions against polluters were infrequent.” Hawaii has the greatest number of violators per 100 facilities; Nevada has the least.  Missouri is the state with the least […]

September 16th