CPEG 4 (2025) - Proceedings

The fourth edition of the TC 215 Symposium on Coupled Phenomena in Environmental Geotechnics (CPEG4) was held in a virtual format, jointly organised by Colorado State University and the University of Wisconsin-Madison.

The Symposium took place in 2025 in the following days:

• September 11 (13:00–14:00 UTC): Welcome, session highlights from chairs (barriers; remediation; waste - including MSW, CCR, and carbon; and coupled biogeochemistry and geotechnics), and a community discussion on the current state and future of coupled phenomena in environmental geotechnics.

• September 18 (13:00–15:00 UTC): Q&A sessions and panel discussions for barrier and remediation themes.

• September 25 (13:00–15:00 UTC): Q&A sessions and panel discussions for waste and coupled biogeochemistry and geotechnics themes, followed by closing remarks.

The Proceedings of the Symposium can be downloaded from the following link: https://drive.google.com/file/d/1D0OIetQLXuzv84DzGXGeAx2INh6DoiqB/view?usp=sharing