Harpa obtained an M.Sc. (2001) and a PhD (2005) in environmental engineering from the Technical University of Denmark. Harpa has about 20 years of experience in the use of LCA, especially with a focus on analysis and developing tools for buildings, roads and waste management. During her time at DTU in the years 2001–2005 she participated in the development of the EASEWASTE tool, a model for waste management systems, and she developed the ROAD-RES model for roads in collaboration with the Danish Road Directorate. For the past 11 years, Harpa has been leading the development of LCA tools for the Danish building sector at AAU, as well as participating in and being project leader for several research projects in the areas of life cycle assessment, circular economy and sustainability assessment within the built environment.