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A NASA Space Sleuth Hunts the Trail of Earth's Water
01.31.07 - For the first time, NASA scientists have used a shrewd spaceborne detective to track the origin and movement of water vapor throughout Earth's atmosphere. This perspective is vital to improve the understanding of Earth's water cycle and its role in weather and climate.
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Sources of the World's Tiny Pollutants
01.30.07 - Pinpointing pollutant sources is an important part of the ongoing battle to improve air quality and to understand its impact on climate. Scientists using NASA data recently tracked the path and distribution of aerosols -- tiny particles suspended in the air -- to link their region of origin and source type with their tendencies to warm or cool the atmosphere.
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Tropical Ozone Studies Yield Surprises
12.14.06 - Two new NASA-funded studies of ozone in the tropics using NASA satellite data not previously available are giving scientists a fuller understanding of the processes driving ozone chemistry and its impacts on pollution and climate change.
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Ozone Hole is a Double Record Breaker
10.19.06 - NASA and National Oceanic and Atmospheric Administration (NOAA) scientists report this year's ozone hole in the polar region of the Southern Hemisphere has broken records for area and depth.
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Study Tracks Global Sources, Transport of Air Pollution
09.25.06 -
A NASA and university study of ozone and carbon monoxide pollution in Earth's atmosphere is providing unique insights into the sources of these pollutants and how they are transported around the world.
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Study Finds Ozone Layer on the Mend
08.30.06 - Scientists analyzed 25 years of independent ozone observations at different altitudes in Earth's stratosphere.
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