<!doctype html public «-//w3c//dtd html 4.0 transitional//en»> http-equiv=content-type content="text/html; charset=iso-8859–1"> Since the signing of the World Heritage Convention in 1972, the idea of protecting and making use of the world's cultural and natural heritage has gained in popularity. Over time, however, a number of models for utilization have been developed that are no longer based solely on ideas of sustainability. Instead, they are shaped to a growing degree by commercial interests. This publication outlines these developments and develops approaches for dealing with their problematic effects.
