Istituto Superiore per la Protezione
e la Ricerca Ambientale

Cerca

May

International Day for Biological Diversity : 22 May 2017

Biodiversity and Sustainable Tourism This theme has been chosen to coincide with the observance of 2017 as the International Year of Sustainable Tourism for Development as proclaimed by the United Nations General Assembly in its Resolution 70/193 and for which the United Nations World Tourism Organization is providing leadership.