““Meeting the needs of the present generation without compromising those of the future generation”
This is the official definition of sustainable development, sustainability is a constantly changing concept, it implies constant, preferably growing, environmental, social and economic well-being and the prospect of leaving future generations with a quality of life no less than the current one.
On 25 September 2015, the UN signed the 2030 Agenda for Sustainable Development: the program of action for people, planet and prosperity; made up of 17 Sustainable Development Goals (SDGs), which in turn include 169 distinct goals that concern all countries and all individuals, without excluding or leaving anyone behind along the path necessary to achieve global sustainability.