Sustainable processes. It is not just a question of matter and energy, but often of methods and processes as well. This is a new approach taking hold in the management of industrial activities and often entails the choice of sustainable raw materials and the reuse of industrial waste. All these aspects are little known to the public at large and often to ecology experts as well.  Geca – a printing company founded in 1979 near Milan employing 35 workers and with a €5.5 million turnover in 2014, nearly half of which deriving from publishing – decided to follow the sustainability path. A non-specialized company that in 2009, partly to respond to the economic downturn, decided to bet both on production and process quality.  “First of all, we deeply analysed our production...