In general, countries are making strong efforts to manage and protect their World Heritage sites. However, heritage in general is threaten by development pressures, insufficient resources and, as a consequence, lack of management, unsustainable tourism, looting, natural disasters climate change, etc.
In many of these areas space technologies can provide support by assessing the situation and demonstrating the ways in which it has changed over the last 10, 20 and 30 years, up to the present day. For this reason, in 2001, during the International Astronautical Congress (IAC, Toulouse) UNESCO and the European Space Agency (ESA) agreed to: