 He is an honorary fellow of the Royal Institute of British Architects, a patron of the Soil Association, UK, and a visiting professor at University of the West of England.In 2003 Girardet was the inaugural Adelaide Thinker in Residence, advising South Australian Premier Mike Rann on his government's sustainability policies and how to reduce Adelaide's carbon footprint.Girardet advised Rann on his urban forests, Zero Waste, recycling and renewable energy policies.