Sangalli,'sustainability is broad, including social and economic' - Finance & Business. 'Imprendigreen' is an initiative of the Confederation of Piazza Belli for the environmental sustainability of tertiary companies.

'Sustainability sometimes recalls zero impact", almost like neutrality, says Sangalli. 'The road towards "green" is often gladly, it is in fact a road with obstacles for businesses', he adds, in his introduction to the work of the initiative.