(Phys.org)—Why certain catalyst materials work more efficiently when they are surrounded by water instead of a gas phase is unclear. RUB chemists have now gleamed some initial answers from computer simulations. They showed ...
Materials Science
Feb 21, 2013
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Invasive species are among the world's greatest threats to native species and biodiversity. Once invasive plants become established, they can alter soil chemistry and shift nutrient cycling in an ecosystem. This can have ...
Ecology
Sep 26, 2013
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Severe haze episodes with surprisingly high concentrations of fine particles (PM2.5) still occur in fall and winter seasons in Beijing, although the air quality has been improved in recent years.
Earth Sciences
Mar 2, 2018
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An international, NOAA-led research team took a significant step forward in understanding the atmosphere's ability to cleanse itself of air pollutants and some other gases, except carbon dioxide. The issue has been controversial ...
Earth Sciences
Jan 6, 2011
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Satellite pictures of Saharan dust clouds have been in the news all summer, but to Shankar Chellam, they have just raised more questions.
Earth Sciences
Aug 22, 2013
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Hundreds of thousands of people around the world die too soon every year because of exposure to air pollution caused by our daily use of chemical products and fuels, including paints, pesticides, charcoal and gases from vehicle ...
Environment
Aug 3, 2021
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483
(PhysOrg.com) -- Numerous studies are documenting the growing effects of climate change, carbon dioxide, pollution and other human-related phenomena on the world’s oceans. But most of those have studied single, isolated ...
Environment
Jun 17, 2010
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(PhysOrg.com) -- More wildfires have burned around the Russian capital this year than in the last decade and a half, according to sensors aboard ESA's observation satellites. The forest and peat bog fires ignited this summer ...
Environment
Sep 13, 2010
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Five years ago, in March 2014, researchers spent three hours packed aboard a steamy Gulfstream-1 research aircraft as it zig-zagged between pristine air over the Amazon rainforest and polluted air nearby. It was like a trip ...
Earth Sciences
Mar 29, 2019
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Putting a climate model through some dusty drills, scientists at Pacific Northwest National Laboratory found how well it depicts the climate effects of particle size. Comparing three techniques to represent the particles' ...
Earth Sciences
Feb 12, 2014
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