Current Research Projects:
- Northwest African rainfall, fire, and aridity during the Pleistocene and Neogene
- Frictional heating on faults evaluated with the thermal alteration of organic molecules
- Neogene expansion of C4 grasslands in India, Africa, Australia, and North America
- Wildfire in past ecosystems
- Biological and environmental controls on the hydrogen isotopic composition of organic molecules
- Alkenone-based records of atmospheric CO2 concentrations