At Princeton
PEI: The Princeton Environmental Institute
PIIRS: Princeton Institute for International and Regional Studies
Networks
The American Society for Environmental History
European Society for Environmental History
MedCLIVAR: Mediterranean CLImate VARiability and Predictability
Projects
China Historical GIS (Harvard)
Climate and Ecology of the Mongol Empire (CEME)
Digital Atlas of the Roman Empire
Digitizing Patterns of Power: Peripheral Mountains in the Medieval World
Harvard's Digital Atlas of Roman Civilization
Historical maps of the Byzantine world
Orbis: Stanford interactive map of communications in the Roman world