Beads that contain bacteria and a slow-release food supply to sustain them can clean up contaminated groundwater for months on end, maintenance free, research by Oregon State University shows.
Environment
Mar 25, 2020
1
199
Toxic arsenic in groundwater is a huge problem for more than a hundred million people worldwide, especially in Southeast Asian countries such as Bangladesh and Vietnam. The arsenic is released by the activity of microorganisms. ...
Environment
Mar 11, 2020
0
61
About 25 million Bangladeshis face risks of developing skin lesions and cancers due to unsafe levels of arsenic in drinking water.
Analytical Chemistry
Mar 4, 2020
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4
Lead, arsenic, and other heavy metals are increasingly present in water systems around the world due to human activities, such as pesticide use and, more recently, the inadequate disposal of electronic waste. Chronic exposure ...
Analytical Chemistry
Feb 25, 2020
1
220
As rain offers a welcome relief to fire-scorched Australia, concerns over flash floods and freshwater contamination cast a shadow on the joy. Already, massive fish kills have been reported due to heavy ash and sediment in ...
Environment
Feb 11, 2020
1
8
Flow rates and time of year must be taken into account to better understand the potential risks posed by emerging organic contaminants in rivers and streams, according to Penn State researchers who studied contaminant concentrations ...
Earth Sciences
Jan 30, 2020
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84
Rare snubfin dolphins in Queensland's Fitzroy River and humpback dolphins in Port Curtis are under threat from exposure to increasing amounts of water contamination.
Plants & Animals
Jan 29, 2020
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13
About 80 percent of water systems across the country use a disinfectant in drinking water that can lead to undesirable byproducts, including chloroform. There is an alternative, but many cities have been afraid to use it.
Environment
Jan 23, 2020
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89
It takes a lot of energy to collect, clean and dispose of contaminated water. Some contaminants, like arsenic, occur in low concentrations, calling for even more energy-intensive selective removal processes.
Polymers
Jan 21, 2020
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320
The protection of our environment and natural resources is crucial. A major focus is on climate change, mitigation and adaptation, a core issue of which is the availability, quantity and quality of our water resources. However, ...
Environment
Jan 15, 2020
0
8
