Climate

Photo of Roger Summons
Roger Summons
Professor of Geobiology Home Phone: (617) 452-2791 Interest Areas: geobiology, biogeochemistry Website Website

Biogeochemistry and geobiology: lipid chemistry of geologically significant microbes and microbial ecosystems; organic and isotopic indicators of climate change; evolution and mass extinction; biomarkers in sediments and petroleum; and biogeochemical fossils.