News tagged with polar regions

NASA image: Night-shining clouds

In the late spring and summer, unusual clouds form high in the atmosphere above the polar regions of the world. As the lower atmosphere warms, the upper atmosphere gets coooler, and ice crystals form on meteor ...

dateJun 22, 2015 in Earth Sciences
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Cyanide ice in Titan's atmosphere

Gigantic polar clouds of hydrogen cyanide roughly four times the area of the UK are part of the impressive atmospheric diversity of Titan, the largest moon of Saturn, a new study led by Leiden Observatory, ...

dateOct 01, 2014 in Space Exploration
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The result of slow degradation

Why do environmental pollutants accumulate in the cold polar regions? This may not only be due to the fact that many substances are less volatile at low temperatures, as has been long suspected, but also ...

dateApr 14, 2014 in Environment
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Mercury contamination threatens Antarctic birds

Mercury contamination in the Antarctic and Subantarctic affects bird populations, reveal researchers from the Centre d'Etudes Biologiques de Chizé and from the 'Littoral, Environnement et Sociétés' Laboratory ...

dateApr 11, 2014 in Ecology
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