Viewpoint: Women in engineering: are we really moving the needle?

This month's letters cover codes for seismic design, as well as praise for articles published on covered timber bridges and reusing concrete.

This collection of 20 academic papers covering a wide range of case studies and countries will be of use to researchers delving into embodied carbon in the built environment, writes Will Arnold.

Colin Rose and Phil Isaac explore the potential for making mass timber products out of wood recovered from demolition – the principle, recent research projects, and next steps for this ambition.