Save
Email
Print
Share
RSSBrowse News Stories
91 to 100 of 399 stories
view headlines only
-
Measuring Global Water Vapor and Formaldehyde
April 9, 2010 — Atmospheric water vapor is the most important natural greenhouse gas, accounting for about two-thirds of the natural greenhouse effect. Despite this importance, its role in climate and its reaction ... > full story -
NASA's Global Hawk Completes First Science Flight
April 8, 2010 — NASA has successfully completed the first science flight of the Global Hawk unpiloted aircraft system over the Pacific Ocean. The flight was the first of five scheduled for this month's Global Hawk ... > full story -
Flights Over Arctic Provide Data for Investigating Ozone Hole Depletion
March 31, 2010 — An international team of researchers is investigating ozone depletion in the polar stratosphere using data gathered during flights over the Arctic region at elevations of up to 20 ... > full story -
Vital Role for Bacteria in Climate-Change Gas Cycle
March 29, 2010 — Isoprene is a Jekyll-and-Hyde gas that is capable of both warming and cooling the Earth depending on the prevailing conditions. It is an important industrial gas, necessary for the manufacture of ... > full story -
Pollution from Asia Circles Globe at Stratospheric Heights
March 25, 2010 — The economic growth across much of Asia is coming with a troubling side-effect: pollutants from the region are being wafted up to the stratosphere during monsoon season. The new finding provides ... > full story -
Earth's Health Reaching Critical Tipping Point, Expert Says
March 24, 2010 — Scientists make the case for why we need to pay more attention to all environmental processes that contribute to the Earth's ... > full story -
UV Exposure Has Increased Over the Last 30 Years, but Stabilized Since the Mid-1990s
March 16, 2010 — NASA scientists analyzing 30 years of satellite data have found that the amount of ultraviolet radiation reaching Earth's surface has increased markedly over the last three decades. Most of the ... > full story -
Aquatic 'Dead Zones' Contributing to Climate Change
March 11, 2010 — The increased frequency and intensity of oxygen-deprived "dead zones" along the world's coasts can negatively impact environmental conditions in far more than local waters. Scientists explain that ... > full story -
Chemicals That Eased One Environmental Problem May Worsen Another
March 3, 2010 — Chemicals that helped solve a global environmental crisis in the 1990s -- the hole in Earth's protective ozone layer -- may be making another problem -- acid rain -- worse, scientists are reporting. ... > full story -
Emissions of Potent Greenhouse Gas Increase Despite Reduction Efforts
January 31, 2010 — Despite a decade of efforts worldwide to curb its release into the atmosphere, scientists have measured increased emissions of a greenhouse gas that is thousands of times more efficient at trapping ... > full story
Search ScienceDaily
Number of stories in archives: 137,433
more 
