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Tropical Upper Atmosphere 'Fingerprint' of Global Warming
The winds of the
quasibiennial oscillation in
the tropical upper
atmosphere have greatly
weakened at some altitudes
... > full story
Scientists Investigate Release of Bromine in Polar Regions
Researchers have employed a
novel measurement device for
new studies in Alaska. ... > full story
Ancient Earth Crust Stored in Deep Mantle
Scientists have long
believed that lava erupted
from certain oceanic
volcanoes contains materials
from the early Earth's
crust. But decisive evidence
for this phenomenon has
... > full story
Sunlit Snow Triggers Atmospheric Cleaning, Ozone Depletion in the Arctic
Researchers have discovered
that sunlit snow is the
major source of atmospheric
bromine in the Arctic, the
key to unique chemical
... > full story
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Ozone Masks Plants Volatiles, Plant Eating Insects Confused
April 2, 2013 — Increases in ground-level ozone, especially in rural areas, may interfere not only with predator insects finding host plants, but also with pollinators finding flowers, according to new ... > full story -
Causes of 2011 Arctic Ozone Hole Determined
March 11, 2013 — A combination of extreme cold temperatures, human-made chemicals and a stagnant atmosphere were behind what became known as the Arctic ozone hole of 2011, a new study ... > full story -
Ground-Level Ozone Falling Faster Than Model Predicted
March 11, 2013 — While dangerous ozone levels have fallen with reductions in emissions from vehicles and industry, a new study suggests a model widely used to predict the impact of remediation efforts has been too ... > full story -
Ozone Layer Above North Pole Expected to Recover by End of Century
March 11, 2013 — Good news for the ozone layer above the Arctic. The Montreal Protocol is showing effects: according to recent measurements, the ozone layer over the North Pole should recover by the end of the ... > full story -
Clues to Climate Cycles Dug from South Pole Snow Pit
February 25, 2013 — Particles from the upper atmosphere trapped in a deep pile of Antarctic snow hold clear chemical traces of global meteorological events, climate scientists from France have found. Anomalies in oxygen ... > full story -
Links Between Ozone Levels and Cardiac Arrest Analyzed
February 17, 2013 — Researchers working with a massive data set unique to Houston, have found a direct correlation between out-of-hospital heart attacks and levels of air pollution and ... > full story -
One in 20 Cases of Pre-Eclampsia May Be Linked to Air Pollutant
February 6, 2013 — One in every 20 cases of the serious condition of pregnancy, pre-eclampsia, may be linked to increased levels of the air pollutant ozone during the first three months, suggests a large ... > full story -
Ozone Depletion Trumps Greenhouse Gas Increase in Jet-Stream Shift
January 31, 2013 — Depletion of Antarctic ozone is a more important factor than increasing greenhouse gases in shifting the Southern Hemisphere jet stream in a southward direction, according to ... > full story -
Ozone Thinning Has Changed Ocean Circulation
January 31, 2013 — A hole in the Antarctic ozone layer has changed the way that waters in the southern oceans mix, a situation that has the potential to alter the amount of carbon dioxide in the atmosphere and ... > full story -
NASA Ozone Study May Benefit Air Standards, Climate
January 22, 2013 — A new NASA-led study finds that when it comes to combating global warming caused by emissions of ozone-forming chemicals, location ... > full story
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