News tagged with ozone layer

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Solar System Shield

Water vapor in planet-forming disks may block ultraviolet radiation from destroying water and other important molecules for life, according to new calculations.

Jan 14, 2010
4.6 / 5 (5) 0 | with audio podcast

A bubbling ball of gas (w/ Video)

The Sun is a bubbling mass. Packages of gas rise and sink, lending the sun its grainy surface structure, its granulation. Dark spots appear and disappear, clouds of matter dart up - and behind the whole thing ...

Nov 11, 2009
4.9 / 5 (18) 6

Ozone layer depletion leveling off

By merging more than a decade of atmospheric data from European satellites, scientists have compiled a homogeneous long-term ozone record that allows them to monitor total ozone trends on a global scale - ...

Sep 21, 2009
3 / 5 (4) 0

Global sunscreen won't save corals

Emergency plans to counteract global warming by artificially shading the Earth from incoming sunlight might lower the planet's temperature a few degrees, but such "geoengineering" solutions would do little to stop the acidification ...

Jun 16, 2009
4.4 / 5 (13) 1

US supports reducing climate-warming gases

(AP) -- The Obama administration called hydrofluorocarbons widely used in refrigerators and air conditioners "a very significant" threat to climate change Monday, and expressed a preference for drastically ...

May 04, 2009
4.3 / 5 (18) 4

US wants to move on climate change

(AP) -- The Obama administration, in a major environmental policy shift, is leaning toward asking 195 nations that ratified the U.N. ozone treaty to enact mandatory reductions in hydrofluorocarbons, according ...

Apr 30, 2009
2.4 / 5 (14) 3