Many Parisians are adapting to the spiraling cost of food, gas and housing with resourcefulness and creativity. Le Nouvel Obs Paris has a great round-up of all the latest trends in sustainable living which have evolved in response to the purchasing power deficit. 1.   House sharing – no longer restricted to rent-sharing among students and single young professionals, the trend has spread to familie  and often encompasses the communal house purchase. The trend is documented in a film to be released in Ju