Insulate houses, install heat meters, use energy-saving lamps instead of the usual ones, regulate the temperature in the rooms: the participants of the discussion took such ideas positively, many of them are already practicing some of them. Partial ban on the entry of private vehicles on diesel fuel into the city center. Students perceived this idea neutrally. They were skeptical of such an innovation, as it would lead to a riot of drivers and possibly a transport collapse. Instead, some members of other groups themselves suggested banning any vehicles from entering the city center as a necessary step to improve air quality.