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Atmosphere
28.08.2012
As sulfur moves through the environment, it helps regulate oxygen in the atmosphere
23.07.2012
The sulfur-based chemistry of iron pyrite may play a major role in atmospheric oxygen concentrations
04.11.2011
Old paper preserves records of air pollution from over 100 years ago.
08.02.2011
A new source of climate records is as close as the nearest university library: Back issues of magazines reveal the rise in...
14.08.2008
Scientists' findings may cause climatologists to rethink soot’s role in shaping the Earth’s climate. The scientists...
01.10.2006
Do tiny particles in the atmosphere cool things down or warm them up? The answer's not so simple
