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 ...
Environment
Mar 3, 2014
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Although the burning of natural gas emits far less carbon dioxide than coal, a new study concludes that a greater reliance on natural gas would fail to significantly slow down climate change. The study appears this week in ...
Environment
Sep 8, 2011
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(PhysOrg.com) -- A solar-powered sensor station to monitor in real time the concentration of gases that are key culprits in climate change and air pollution has been installed on a QUT Gardens Point roof as part of an international ...
Engineering
May 30, 2011
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For more than 150 years, spark plugs have powered internal combustion engines. Automakers are now one step closer to being able to replace this long-standing technology with laser igniters, which will enable cleaner, more ...
Optics & Photonics
Apr 20, 2011
33
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(PhysOrg.com) -- A new study by scientists in Los Angeles, California has found that bright city lights makes air pollution worse because the glare of the lights interferes with chemical reactions that clean the air of pollution ...
(PhysOrg.com) -- Materials scientists develop clean nanoparticle-based catalysts that convert nitrogen oxides to nitrogen and water vapor.
Materials Science
Oct 4, 2010
3
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(PhysOrg.com) -- The economic growth across much of Asia comes with a troubling side effect: pollutants from the region are being wafted up to the stratosphere during monsoon season. The new finding, in a study led by scientists ...
Earth Sciences
Mar 25, 2010
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Researchers from Purdue University and Cummins Inc. have developed an advanced "closed-loop control" approach for preventing diesel engines from emitting greater amounts of smog-causing nitrogen oxides when running on biodiesel ...
Energy & Green Tech
Jan 25, 2010
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Insect pheromones are odor molecules used for chemical communication within a species. Sex pheromones play a crucial role in the mating of many insects. Species-specific odors attract males and females of the same species. ...
Ecology
Apr 11, 2024
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2
Sunlight has a major influence on chemical processes. Its high-energy UV radiation in particular is strongly absorbed by all materials and triggers photochemical reactions of the substances present in the air. A well-known ...
Optics & Photonics
Apr 10, 2024
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