News tagged with toxic pollutants
Silkmoth inspires novel explosive detector
Imitating the antennas of the silkmoth, Bombyx mori, to design a system for detecting explosives with unparalleled performance is the feat achieved by a French research team. Made up of a silicon microcantilever ...
Chemistry / Analytical Chemistry
Jun 01, 2012 |
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Mercury in dolphins: Study compares toxin levels in captive and wild sea mammals
Amid growing concerns about the spread of harmful mercury in plants and animals, a new study by researchers from The Johns Hopkins University and The National Aquarium has compared levels of the chemical in ...
May 21, 2012 |
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Form and function in enzyme activity
Many industrial chemistry applications, such as drug or biofuel synthesis, require large energy inputs and often produce toxic pollutants. But chemistry and chemical biology professor Mary Jo Ondrechen said ...
Apr 06, 2012 |
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PCBs levels down in Norwegian polar bears
It's never been easy to be a polar bear. They may have to go months without eating. Their preferred food, seal, requires enormous luck and patience to catch. Add to that the melting of Arctic sea ice due to climate change, ...
Mar 29, 2012 |
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New US anti-pollution standards draw industry fire
US health campaigners Wednesday hailed the announcement of new anti-pollution standards for American manufacturers, but industry leaders condemned the rules for being costly and overly aggressive.
Dec 21, 2011 |
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New EPA air quality rules outweigh costs and provide major health and environmental benefits
A report by researchers at Columbia University's Mailman School of Public Health provides an expanded review of six new air quality regulations proposed or recently adopted by the U.S. Environmental Protection Agency's (EPA). ...
Dec 21, 2011 |
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Can coal plants afford EPA's new air-toxics rule?
America has never had a nationwide limit on mercury and other toxic emissions from coal-fired power plants. That's about to change, though, and it will cost companies such as American Electric Power, which runs the Tanners ...
Dec 06, 2011 |
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Using air pollution thresholds to protect and restore ecosystem health
Air pollution is changing our environment and undermining many benefits we rely on from wild lands, threatening water purity, food production, and climate stability, according to a team of scientists writing in the 14th edition ...
Nov 14, 2011 |
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Stockholm Convention scientists seek ban on chemical
Scientists at the Stockholm Convention, which interdicts dangerous chemicals, said on Friday they will recommend the banning of a flame retardant commonly used in polystyrene.
Oct 14, 2011 |
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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.
Aug 08, 2011 |
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Has warming put 'Dirty Dozen' pollutants back in the saddle?
"Dirty Dozen" chemicals, including the notoriously toxic DDT, are being freed from Arctic sea ice and snow through global warming, a study published on Sunday suggested.
Jul 24, 2011 |
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Mini-submarines to gauge Lake Geneva pollution
Two mini-submarines that have filmed the wreckage of the doomed luxury cruise liner Titanic will dive into Lake Geneva to gauge its pollution levels, Swiss researchers said Tuesday.
Jun 14, 2011 |
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L.A., Bakersfield remain among U.S.'s most polluted cities, report says
Smog and soot levels have dropped significantly in Southern California over the last decade, but the Los Angeles region still has the highest levels of ozone nationwide, violating federal health standards an average of 137 ...
Apr 28, 2011 |
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EPA sets pollution controls for boilers, incinerators
The Environmental Protection Agency on Wednesday said new pollution controls for boilers and incinerators will save thousands of lives every year but at half the cost of an earlier proposal that industry and lawmakers had ...
Feb 25, 2011 |
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Animal with the most genes? A tiny crustacean: First crustacean genome sequenced
Complexity ever in the eye of its beholders, the animal with the most genes -- about 31,000 -- is the near-microscopic freshwater crustacean Daphnia pulex, or water flea. By comparison, humans have about ...
Feb 03, 2011 |
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