Tiny microbes belching toxic gas helped cause — and prolong — the biggest mass extinction in Earth’s history, a new study suggests.

"RIVERSIDE, Calif. (www.ucr.edu) — Two UC Riverside professors are taking to the road to pinpoint sources of air pollution across California. They’ll be traveling in the university’s new Mobile Isotope Laboratory, a Mercedes Benz transport van fitted with a suite of instruments that can measure the flux of greenhouse gases in the environment in real...

Marilyn Fogel, the Wilbur W. Mayhew Endowed Chair in Geo-Ecology, and Timothy Lyons, Distinguished Professor of Biogeochemistry, will be honored at a ceremony and banquet during the 2018 AGU Fall Meeting in Washington, D.C., in December. Both professors are faculty in the Department of Earth Sciences in UCR’s College of Natural and Agricultural Sciences. Only...