Every June 5th, since 1972, the World Environment Day has been celebrated. The event, established by the UN General Assembly on the occasion of the launch of the Environment Program and celebrated for the first time in 1974 with the slogan "Only One Earth", it is an opportunity to take stock of many of the aspects that affect our common home. The Metropolitan City of Turin, which by law has many skills in the environmental field and therefore plays a fundamental role in the various activities of planning, programming, management and monitoring of the environment includes, in its Department of Environment and Environmental Supervision, a multiplicity of offices that deal with this complex issue in its various aspects. In today's issue of "Cronache da Palazzo Cisterna", our institutional online magazine every Friday, a detailed overview of all the activities carried out by our Authority in the environmental field, including of course those related to the waste management. Enjoy the reading and have a good World environment day!