On December 5th, Eddy Wille gave an interesting presentation to the EMerald master’s in resources engineering students in the University of Liege. For two hours, many subjects were treated such as: enhanced landfill mining (ELFM) concept, the relevance of bringing the landfill mining to the circular economy, policies inside and outside the European Union, the OVAM’s role, some cases of study, advantages of geophysics over conventional drilling, risks assessment and the new concept of enhanced landfill management and mining (ELFM2).