Book review: Natural building techniques: A guide to ecological methods and materials

This month's letters to Verulam include a submission from former president David Blockley and what the UK hitting record temperatures could mean for structural engineers.

Martin Ashmead shares his extensive experience of Regional Group lecture prizes, encouraging Groups to set down formal judging criteria to ensure that ‘excellent lectures’ are recognised by the award of a prize and are then put forward for consideration for the Institution’s Sir Arnold Waters Medal.

To mark the 100th anniversary of The Structural Engineer , Alan Rathbone looks back at several key papers that helped advance the development of plastic design of steel portal frames.