News tagged with polar region

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 ...

Apr 14, 2014 not rated yet 0

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 ...

Apr 11, 2014 5 / 5 (1) 0

Image: Polar vortex enters northern US

The polar vortex is a whirling and persistent large area of low pressure, found typically over both North and South poles. The northern polar vortex was pushing southward over western Wisconsin and eastern ...

Jan 07, 2014 4.7 / 5 (3) 0

Cracking the ice code

(Phys.org) —What happened the last time a vegetated Earth shifted from an extremely cold climate to desert-like conditions? And what does it tell us about climate change today?

May 20, 2013 3.8 / 5 (8) 2 | with audio podcast