Bibliometric analysis for research outputs (n=10758) matching the keywords ‘life cycle assessment buildings’ OR ‘environmental impacts buildings’ OR ‘embodied carbon buildings’ in the last twenty years (1998–2018): total number of outputs per year (left); and sum of times cited by year (right). Citations start from year 2000 as no citations are recorded in the years 1998 and 1999. [Sources: Web of Knowledge and Dimensions AI].