Tag: "sewage" at biology news

Myths surrounding Cuyahoga River fire 35 years ago

... Cleveland also had spent $30 million to build new sewage treatment facilities from 1967-70. "Cleveland made significant strides toward environmental improvements in 1968 and 1969," writes Adler. Despite the Cleveland area's efforts, a 1968 federal report listed the Cuyahoga River as one of the most pollute...

Mysterious beach closures may be linked to contaminated groundwater, study finds

...rated beachgoers to blame everything from offshore sewage pipes to passing cruise ships. But according to a ... major infrastructure failures, such as inadequate sewage treatment plants or overwhelmed storm drain systems, while ignoring the possibility of groundwater c...

Ocean dye to help Rutgers scientists trace Hudson River's path miles into the Atlantic

... blooms along the coast and making decisions about sewage disposal. Chant is the principal investigator on t...e Hudson River Plume is caffeine. It passes though sewage treatment plants unchanged, and because it has no oceanic source, it can be used as an additional tr...

New Woods Hole Center for Oceans and Human Health established

..., where an estimated 9 billion gallons of domestic sewage and industrial wastewater enter the coastal ocean each day. Contamination of coastal waters with human pathogens from this waste and the distribution and persistence of these pathogens is a serious threat to public health. The first two research ...

'Springer' - A solution to water pollution?

... of organisms. They are deposited in waterways via sewage discharges and run-off from agricultural land. Conventional methods of tracking these pollutants to their source, e.g. boat sampling and airborne sensing, are expensive and limited in effectiveness because they can't be used easily in shallow water. ...

City rain run-off poses threat to coastal water users

.... Most previous work focused on single episodes of sewage contamination, but this study looked at more generalized runoff. ...

New evidence points to pollution as main cause of much coral reef destruction

...earch suggests that pollution from such sources as sewage and agricultural runoff is the main culprit, a con...hich it is generally prevented. By comparison, raw sewage is about 40,000 parts per billion nitrogen, while pristine oceanic waters would be about 1 part per ...

Navy enlists microbes to cut costs

...illed and then disposed of in a standard municipal sewage treatment facility. As an added bonus, butanetriol is also a precursor to two cholesterol-lowering drugs. Says Frost, "This is a classic example of dual use for molecules between pharmaceutical and defense applications."...

Scientists decipher genome of bacterium that remediates uranium contamination, generates electricity

... bottom of the ocean, as well as the conversion of sewage and renewable biomass to electricity and the development of improved microbial fuel cells. One of the surprises from the G. sulfurreducens genome was the high percentage of its genes devoted to sensing environmental conditions and then regulating its...

Marine scientists discover nutrient pollution boosts fungi, bacteria killing Caribbean reefs

...educe nutrient pollution from agricultural runoff, sewage pollution and deforestation." By increasing nutrient concentrations between two- and five-fold, the marine biologists recorded almost a doubling of tissue loss among the Monastraea from yellow band disease, he said. A separate experiment showed nutri...

Scientists estimate risk of raven predation on desert tortoises

...ughout the study area are a small number of towns, sewage treatment plants and other artificial permanent ponds and landfills, interspersed with undeveloped desert shrublands where creosotebush, saltbush and Joshua trees occur. Roads, throughout both developed and undeveloped desert, can also promote raven ...

Mediterranean fishery recovers, thanks to manmade pollutants

...nd dramatic extensions of urban water supplies and sewage collection systems. In a recent issue of Ambio, a...nography biologist Scott Nixon discusses how human sewage and agricultural drainage now support the fertility once provided by the Nile, although the nature o...

U. of Colorado scientists discover four new kingdoms of life

...ukaryotes could potentially be of benefit in newer sewage treatment plants to help other microbes convert nitrates from agricultural pollution into harmless nitrogen and oxygen, he said. The CU-Boulder researchers might even be able to find new microbes to fight off disease in plants. "These family trees, ...

UCR scientists modify existing chemical scrubber to environmentally friendly, all-natural filter

...ue for biologically removing hydrogen sulfide from sewage emissions a step further. Marc Deshusses, associate professor in the department of chemical and environmental engineering, and his postdoctoral researcher, David Gabriel, report in the Proceedings of the National Academy of Sciences (PNAS) that they...

Natural Science and Public Health: Prescription for a Better Environment

...f more than 15 million people. Through the years, sewage outfalls have carried industrial and domestic wastes into the bay, making it highly contaminated. In collaboration with local and other federal agencies, USGS conducted a 5-year study of sediments at the bottom of the bay. Although most locations t...

Underwater sensor system could protect reservoirs, drinking water

...laboratory." Monitoring of rivers downstream from sewage treatment plants, large city water supplies, or the composition of a local pond must all be done by hand. This expensive, time-consuming and sometimes dangerous practice is always time delayed and may miss short duration episodes of pollution or con...

Sarah Billington and Alexandria Boehm named Clare Boothe Luce Assistant Professors

...larly interested in analyzing how urban runoff and sewage move through the ocean, and how viral and bacterial contamination change throughout the day and month. She also researches the economics and politics of coastal water quality, and recently coauthored a study on controversial beach closings in Souther...

Tiny cell-based chemical detectors have homeland security potential

...stem for industrial pollutants that interfere with sewage treatment, but it also has potential homeland security applications. Cell-based sensors are of great interest today because they can respond to a wide range of chemical toxins rapidly. NIST's primary contributions to this project involve expertise in...

Oxygen deficiency is an endocrine disruptor in fish

...d land, soil erosion, agricultural fertilizers and sewage discharges. "The severity and spatial scale of hypoxia have increased in the last few decades," says Rudolf Wu, Ph.D., a professor at the City University of Hong Kong and lead author of the paper. "Due to rapid human population growth, increases in ...

Using sewage sludge as fertilizer

...ciences compared the effects of different kinds of sewage sludge versus commonly used synthetic nitrogen fer...vironmental Protection Agency showed the amount of sewage sludge generated in the United States increased from 8.5 million metric tons in 1990 to more than 12...

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