The effort to improve air quality during the 2008 summer games enabled researchers to quantify the link between traffic and carbon dioxide.

A new meta-analysis highlights the shortcomings of vulnerability studies and points to a more integrative way forward.

Sulfate gases emitted by the Nabro volcano boosted stratospheric particles and gas across the entire Northern Hemisphere in 2011.

Colony of world's largest penguins may decline dramatically as Antarctic sea ice recedes this century, new study indicates.

A multisatellite observing system that was only a gleam in researchers’ eyes in the 1990s is now a key tool for monitoring Earth’s atmosphere. An ambitious follow-up project could yield up to ten times the data gathered by the current satellites.