Sustainable Tourism Development and Technology 4.0: New Economic and Marketing Perspectives

Sustainable tourism is a pressing need in the face of the global environmental and social crisis. At the same time, the emergence of Technology 4.0 has transformed the dynamics of multiple sectors, including tourism. This article examines how the integration of tools such as artificial intelligence, big data, blockchain and the Internet of Things is redefining tourism development from a sustainable perspective, driving the circular economy and digital marketing strategies. Through a qualitative approach and documentary review, recent cases, emerging trends and the impact of digitalization on tourism sustainability are analyzed. It is concluded that the use of technology is key to achieving smarter, more responsible and competitive destinations.