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Sounds of Northern Lights Are Born Close to Ground
July 9, 2012 — For the first time, researchers have located where the sounds associated with the northern lights are created. The auroral sounds that have been described in folktales and by wilderness wanderers are ... > full story -
Nitrogen Dioxide Air Pollution Lessens in Parts of US and Europe, Increases in Middle East and Parts of Asia
July 9, 2012 — Satellite measurements show that nitrogen dioxide in the lower atmosphere over parts of Europe and the US has fallen over the past decade. More than 15 years of atmospheric observations have revealed ... > full story -
Arctic Warming Linked to Combination of Reduced Sea Ice and Global Atmospheric Warming
July 6, 2012 — The combination of melting sea ice and global atmospheric warming are contributing to the high rate of warming in the Arctic, where temperatures are increasing up to four times faster than the global ... > full story -
Extreme Heat Raises Climate Change Questions, Concerns
July 5, 2012 — The recent heat wave baking much of the country has prompted many people to ask: Is this due to climate ... > full story -
Smaller Volcanoes Could Cool Climate
July 5, 2012 — Scientists have discovered that aerosols from relatively small volcanic eruptions can be boosted into the high atmosphere by weather systems such as monsoons, where they can affect global ... > full story -
Energy and the Environment
Solar Energy
Renewable Energy
Geomagnetic Storms
Atmosphere
Environmental Science
New Insights Into Power-Generating Windows
July 3, 2012 — Researchers have calculated how much electricity can be generated using power-generating windows, so-called luminescent solar concentrators. These are windows which have been fitted with a thin film ... > full story -
Hidden Portals in Earth's Magnetic Field
July 3, 2012 — A favorite theme of science fiction is "the portal" -- an extraordinary opening in space or time that connects travelers to distant realms. A good portal is a shortcut, a guide, a door into the ... > full story -
How Clouds Are Formed: Rate of Condensation Much Slower Than Thought
July 2, 2012 — Researchers have shown that the rate of condensation of water on organic aerosol particles in the atmosphere can be very slow, taking many hours for a particle to change in size. This could have ... > full story -
New Light Shed on Explosive Solar Activity
July 2, 2012 — The first images of an upward surge of the sun's gases into quiescent coronal loops have been identified by an international team of scientists. The discovery is one more step towards understanding ... > full storyMore: -
Africa's Savannas May Become Forests by 2100, Study Suggests
June 28, 2012 — Large parts of Africa’s savannas may well be forests by 2100. The study suggests that fertilization by atmospheric carbon dioxide is forcing increases in tree cover throughout Africa. A switch ... > full story
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