Last edited 06 Mar 2021


The Living Building Challenge 4.0, A Visionary Path to a Regenerative Future, published by the International Living Future Institute in June 2019, defines handprints as: ‘…positive impacts, or beneficial changes, on footprint-related impact categories, measured in footprint-related units (e.g., kg CO2-equivalent, for carbon handprints). An actor can get credit for a handprint if the actor is a cause of the change, and if the handprint is voluntarily caused by the actor. Changes which are required (e.g. by law) do not count as handprints; they are considered “business-as-usual” (BAU). The actor does not need to be the only cause of the change. Credit for the handprint is shared equally and fully among all parties who jointly cause the change.’

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