Architects’ actions matter. We need to do more to tackle climate change and less waste and greenwash, exhorts the AJ editor Emily Booth as she introduces our Climate Crisis issue. Will Ing and Ella Jessel investigate the green building boom and Committee on Climate Change chief John Gummer slams Eric Parry's Fleet Street demolition proposal.

Fran Williams talks to White Arkitekter about their 20-storey timber culture centre in Sweden. Building studies examine Arup's retrofit of 1 Triton Square and Dow Jones' No 3 Boase Street. We look at this year's RIBA Stirling Prize shortlist through a green lens and Hattie Hartman and Kunle Barker's columns address what architects can do to help in a climate crisis.

PLUS: Tribute to twice RIBA President Owen Luder on his passing aged 93, David Grandorge on Passivhaus, Charles Jenck's Cosmic House opens to the public, AJ Sketchbook entry from Maurice Shapero, letters, competitions and Louis Hellman's monthly cartoon.