| Author(s) | Session |
| YAJIOUI, Zakaria | Poster social |
| Yajasinghe, Bhagya | 03.b) Communicating responsible management of natural resources |
| Yang, Yang | 10.a) Recent Developments of Geoanalytical Methods Presenter |
| Yao, Li | 05.c) Groundwater under quality stress – hydrogeochemical consequences of human action |