Thesis: Dong

Thesis: Xinyu Dong

Understanding Heritage Delisting: a Comparative Study of UNESCO’s World Heritage List and National Historic Landmark in the United States

The present heritage designation systems face challenges of inflexibility, accumulation of heritage, and outdated understanding of significance, leading to a burden for both preservation management and sustainable development. This thesis discusses the flexibility issue by focusing on heritage delisting policies, comparing the systems of UNESCO's World Heritage List and the National Historic Landmarks in the United States.

The categorization of former NHLs according to their reason for being delisted and factors that caused their changes.
It aims to establish a better understanding of the benefits and liabilities of heritage delisting and how the policies can be improved to better function as tools to advance the interest of preservation. The research studies the common processes and impacts of the threatened list and delisting, the requirements and implementation of heritage monitoring and reassessment, and the possibility of adjusting delisting practices to respond to changing conditions or significance.
The proportion of WHS Cultural sites that have received updates to their original designation in the total number of properties.

The percentage of WHS Cultural Sites that are once inscribed on the List of World Heritage in Danger, never inscribed, or currently on the list.
The study identifies problems and potential benefits of delisting in the two systems, demonstrating their different focuses, and how delisting can influence preservation policy. Overall, the thesis provides a reference for future policy amendments and contributes to a more dynamic future designation system.

Thesis: Xinyu Dong

Understanding Heritage Delisting: a Comparative Study of UNESCO’s World Heritage List and National Historic Landmark in the United States

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