Biodiversity disclosure in the cruise industry: empirical research challenges

Assunta Di Vaio, Giuseppe Dell’Amura and Luisa Varriale

Current Issues in Tourism, 2025, vol. 28, issue 12, 1933-1940

Abstract: This study aims to discover the sustainable initiatives and practices adopted on-board cruise ships to protect and preserve marine biodiversity. Specifically, it focuses on waste issues to meet Sustainable Development Goal (SDG) 14 of the UN 2030 Agenda for mitigating marine biodiversity loss. Using a single-case study methodology, Carnival Corporation Plc’s sustainability behaviour has been investigated through both automated and manual content analysis of its sustainability reports (2020–2021–2022) and website. The results outline the waste management systems (SDG12) adopted on-board cruise ships to overcome marine biodiversity loss. At the same time, the extent of the benefits of these systems on marine biodiversity remains unquantified in the biodiversity disclosure within the Carnival Corporation Plc’s sustainability reporting according to international environmental standards. This study contributes to the cruise tourism literature focusing on the under-investigated positive impact of waste management systems on biodiversity.

Date: 2025
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DOI: 10.1080/13683500.2024.2350586

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