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65 Current news about the topic ozone

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The surface of the sea is a sink for nitrogen oxides at night

05-03-2014

The surface of the sea takes up nitrogen oxides that build up in polluted air at night, new measurements on the coast of southern California have shown. The ocean removes about 15 percent of these chemicals overnight along the coast, a team of atmospheric chemists reports in the early online ...

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Thousands of potentially harmful natural gas leaks found in Washington

20-01-2014

High levels of natural gas are escaping from the aging pipes beneath the streets of the nation's capital, creating potentially harmful concentrations in some locations, a new study has found. Natural gas leaks pose explosion risks, health concerns and contribute to climate change. The paper, ...

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Mystery of odd patterns of oxygen in solar system's earliest rocks

Reaction replicates formation of first silicate dust; oxygen isotopes match mix seen in stony meteorites

28-10-2013

Cosmochemists have solved a long standing mystery in the formation of the solar system: Oxygen, the most abundant element in Earth's crust, follows a strange, anomalous pattern in the oldest, most pristine rocks, one that must result from a different chemical process than the well-understood ...

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A better device to detect ultraviolet light

New type of photodiode, described in the journal Applied Physics Letters, shows promise for space-based communication and monitoring ozone depletion

08-10-2013

Researchers in Japan have developed a new photodiode that can detect in just milliseconds a certain type of high-energy ultraviolet light, called UVC, which is powerful enough to break the bonds of DNA and harm living creatures. The researchers describe their new device in the journal Applied ...

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How the detergent of the atmosphere is regenerated

Juelich troposphere researchers demonstrate effective recycling of radicals during isoprene degradation

08-10-2013

Hydroxyl (OH) radicals – known as the detergent of the atmosphere – decompose isoprene in the air. This leads to the creation of new OH radicals, which are then able to purify the air of other pollutants and trace gases. The scientific community had previously only been able to speculate about ...

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Low-temperature combustion enables cleaner, more efficient engines

15-08-2013

As demand climbs for more fuel-efficient vehicles, knowledge compiled over several years about diesel engines and a new strategy known as "low-temperature combustion" (LTC) might soon lead auto manufacturers and consumers to broader use of cleaner diesel engines in the United States. The journal ...

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'Self-cleaning' pollution-control technology could do more harm than good

17-06-2013

Research by Indiana University environmental scientists shows that air-pollution-removal technology used in "self-cleaning" paints and building surfaces may actually cause more problems than they solve. The study finds that titanium dioxide coatings, seen as promising for their role in breaking ...

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Global warming caused by CFCs, not carbon dioxide, study says

03-06-2013

Chlorofluorocarbons (CFCs) are to blame for global warming since the 1970s and not carbon dioxide, according to new research from the University of Waterloo. CFCs are already known to deplete ozone, but in-depth statistical analysis now shows that CFCs are also the key driver in global climate ...

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New findings on ozone depletion

EU project RECONCILE: Climate change could affect recovery of the ozone layer

12-03-2013

Good news for the ozone layer above the Arctic. The Montreal Protocol is showing effects: according to recent measurements, the ozone layer over the North Pole should recover by the end of the century. This is one of the main findings of the EU project RECONCILE, which was completed in February ...

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Violent nabro eruption shown to pierce stratosphere

11-02-2013

Researchers from the U.S. Naval Research Laboratory Ocean and Atmospheric Science and Technology Directorate report conclusive evidence that volcanic gases and aerosols from the explosive 2011 eruption of the East Africa Nabro Volcano breached the stratosphere, unassisted by the seasonal Asian ...

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