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At the same time, hospitality firms show an increasing concern with environmental practices, in line with customers\u2019 changes of attitude and awareness of their environmental footprint. This paper analyses the content of reviews posted on TripAdvisor by guests staying in a large sample of environmentally certified hotels. The objective is to find out if sustainability concerns are present in guests\u2019 reviews and identify the most important sustainability attributes. Using the Maxqda and Leximancer software, 1748 reviews from 95 Portuguese hotels were analysed; the content analysis evidences that guests\u2019 predominant themes regarding their experiences are mostly common and independent of the category, average review, or type of travel. Eco-issues are primarily absent from the reviews. Although all analysed hotels are \u2018eco-certified\u2019, that label does not seem to be associated with guests\u2019 attitudes and concerns. The results have relevant implications for hospitality managers.<\/jats:p>","DOI":"10.1177\/14673584241264776","type":"journal-article","created":{"date-parts":[[2024,6,24]],"date-time":"2024-06-24T17:02:28Z","timestamp":1719248548000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["How do guests evaluate eco-certified hotels? An analysis of guests\u2019 reviews of Portuguese hotels"],"prefix":"10.1177","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9066-6441","authenticated-orcid":false,"given":"Lu\u00eds","family":"Pacheco","sequence":"first","affiliation":[{"name":"Portucalense University"}]},{"given":"Makhabbat","family":"Ramazanova","sequence":"additional","affiliation":[{"name":"Portucalense University"}]},{"given":"Jo\u00e3o M. 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