Featured
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Article |
Continuous air purification by aqueous interface filtration and absorption
An air purification strategy is presented that moves air in the form of bubbles through an ion-doped conjugated polymer-coated matrix, which captures larger particulate matter, infiltrated with a selected functional liquid, which captures smaller particulate matter.
- Yunmao Zhang
- , Yuhang Han
- & Xu Hou
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Article |
Pulsed hydraulic-pressure-responsive self-cleaning membrane
The PiezoMem membrane responsive to hydraulic pressure is introduced, showing the ability to convert pressure pulses into electroactive responses for in situ self-cleaning and enabling broad-spectrum antifouling action towards a range of membrane foulants.
- Yang Zhao
- , Yuna Gu
- & Guandao Gao
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Letter |
Rapid removal of organic micropollutants from water by a porous β-cyclodextrin polymer
An alternative material to activated carbon for water remediation is reported: a porous material based on crosslinked cyclodextrins that is better than activated carbons at adsorbing a range of pharmaceuticals, pesticides and other anthropogenic pollutants.
- Alaaeddin Alsbaiee
- , Brian J. Smith
- & William R. Dichtel
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Letter |
Grassland biodiversity bounces back from long-term nitrogen addition
Data from the long-running Park Grass Experiment is used to show that grassland biodiversity is recovering since UK atmospheric nitrogen levels started to decline 25 years ago in all but the most acidic soils.
- J. Storkey
- , A. J. Macdonald
- & M. J. Crawley
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News |
Mixed reviews for US Clean Water Act
Forty-year-old environmental law has spurred progress in water quality, but problems remain.
- Richard A. Lovett
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News |
Megacities pose serious health challenge
Researchers call for stringent air-quality control during rapid urbanization.
- Jane Qiu
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Comment |
Cleaning China's air
To reduce airborne soot, organics and sulphates, tailored strategies for each must be established and coal use limited, say Qiang Zhang, Kebin He and Hong Huo.
- Qiang Zhang
- , Kebin He
- & Hong Huo
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News |
Emissions from Asia put US cities over the ozone limit
Satellite data could warn of incoming air pollution.
- Katherine Rowland
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News |
It's not just Fukushima: mass disaster evacuations challenge planners
The Fukushima evacuation zone raises the issue of what would happen during an evacuation in heavily populated US metropolises during a nuclear meltdown.
- David Biello
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News Explainer |
Canadian oil sands: defusing the carbon bomb
Although dirtier than most oil on the market, Alberta’s politically charged crude is not off the environmental charts, say researchers.
- Jeff Tollefson
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News |
Oil-sands vote ends in deadlock
European Union states fail to agree on whether to recognize oil sands as high polluters.
- Sonja van Renssen
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News |
China vows to clean up rural environment
Agriculture accounts for half of all pollution in the country.
- Jane Qiu
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News Feature |
Environment: Mexico's scientist in chief
After winning a Nobel prize for helping to protect the planet, Mario Molina is tackling a much more difficult problem — trying to clean up Mexico City.
- Jeff Tollefson
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News |
Mountain mining damages streams
Study shows that stripping mountains for coal has a much greater impact than urban growth.
- Natasha Gilbert
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Opinion |
Measure methane to quantify the oil spill
Plumes of dissolved gas could be used to determine how much oil has leaked into the Gulf of Mexico, says David Valentine — if the studies are done soon.
- David Valentine
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News |
Flood of oil, drought of research
Scientists frustrated as questions about the Gulf of Mexico oil spill go unanswered.
- Mark Schrope
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News |
The science of dispersants
Massive use of surfactant chemicals turns Gulf of Mexico into a giant experiment.
- Daniel Cressey
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News |
Greenhouse-gas numbers up in the air
To control emissions, countries must first account accurately for their carbon. That will take considerable effort, reports Jeff Tollefson.
- Jeff Tollefson
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News |
Oil spill endangers fragile marshland
Clean-up efforts begin after oil explosion in the Gulf of Mexico.
- Mark Schrope
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News |
Missing data spark fears over land clean-up
Proposed home for world's largest fish market is contaminated land.
- David Cyranoski
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News |
Purifying the sea one drop at a time
Microfluidic channels offer promise of cheap, portable desalination.
- Katharine Sanderson
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News & Views |
More ozone over North America
Springtime ozone levels in the lower atmosphere over western North America are rising. The source of this pollution may be Asia, a finding that reaffirms the need for international air-quality control.
- Kathy Law
Lead immobilization for environmentally sustainable perovskite solar cells