The regenerative building: A concept of total sustainability

Abstract

The concept of building’s sustainability is progressively evolving, from the mere issues of limiting the energy needs of the building, extends to include new areas. The long-term sustainability visions (in Switzerland the “2000 W Society” by year 2100) imply not only technological changes but above all radical changes in the human behaviour. A multidisciplinary study, carried out by SUPSI and specialists, proposes a method for determining the parameters for the design of a building by year 2100. It also shows that in order to achieve long-term sustainability goals (primary energy reduction and CO2 emissions per capita, 2000 W and max 1 ton CO2), alimentation can be considered as a building need. The high potential in reducing primary energy needs in this area makes possible to compensate others energy consumptions and CO2 emissions of the building inhabitants and of the building itself. The sustainable building of the future shall therefore: - present a zero or compensated operating energy need; - present minimal energy need for construction; - allow food production (Urban Farming, Building Integrated Agriculture) through natural and regenerative agriculture (self-production); - promote and act as a shelter for local flora and fauna (regenerative); - respect the soil stratigraphy (reversible).