The document provides an overview of concepts related to sustainable tourism, including definitions from the Brundtland Report and DFID. It discusses resilience, gilded traps using overfishing as an example, and how Venice's economy declined after banning joint stock companies. Statistics are presented on expected impacts on biodiversity, forests, and water by 2050. The impacts of tourism on CO2 emissions and different transport modes are reviewed. The poverty trap concept and Cape Town Declaration principles of sustainable tourism are summarized. Guiding principles for economic and social responsibility in tourism are outlined.