Living Building Challenge 4.0

Previous Versions of the Handbooks

LBC 4.0 Petal Handbooks

Published October 2024
Published July 8, 2024
Published May 8, 2024
Published July 7, 2023
Published April 3, 2023
Published January 13, 2023
Published October 7, 2022
Published July 5, 2022
Published April 13, 2022
Published January 15, 2022
Published October 5, 2021
Published July 9, 2021
Published April 1, 2021
Published January 15, 2021
Published October 1, 2020
Published February 2020 (first issuance LBC 4.0 Petal Handbooks)