Related topics: bacteria ยท water

Runoff key to reducing certain toxic aquatic blooms

(PhysOrg.com) -- Many scientists believe that an unfortunate perfect storm of climate change and nutrient runoff will synergistically increase toxic cyanobacterial blooms globally in coming years.

New material shows promise for trapping pollutants

(PhysOrg.com) -- Water softening techniques are very effective for removing minerals such as calcium and magnesium, which occur as positively-charged ions in "hard" water. But many heavy metals and other inorganic pollutants ...

Toxic chromium found in Chicago's drinking water

Chicago's first round of testing for a toxic metal called hexavalent chromium found that levels in local drinking water are more than 11 times higher than a health standard California adopted last month.

Models show Coho salmon at risk in US urbanizing watersheds

For a decade researchers in Seattle have worked to solve the mystery of why adult coho salmon are dying prematurely in urban streams when they return from the ocean to mate and spawn. In a study published in Integrated Environmental ...

Nike, Adidas suppliers 'polluting China rivers'

Environmental campaigners on Wednesday accused suppliers to major clothing brands including Adidas and Nike of poisoning China's major rivers with hazardous chemicals linked to hormonal problems.

Researchers study pesticide pathways into the atmosphere

When soil moisture levels increase, pesticide losses to the atmosphere through volatilization also rise. In one long-term field study, U.S. Department of Agriculture (USDA) scientists found that herbicide volatilization ...

E. coli can survive in streambed sediments for months

Studies by U.S. Department of Agriculture (USDA) scientists have confirmed that the presence of Escherichia coli pathogens in surface waters could result from the pathogen's ability to survive for months in underwater sediments. ...

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