•Tourism and environmental sciences' students are compared.•Tourism students highlight topics related to "Profit" and "People".•Sustainability literacy in tourism cannot solely depend on the interest of teachers.•Tourism academic programmes should be adapted to teach "strong sustainability".•Environmental sciences professors could be invited to lecture in tourism courses.

中文翻译：

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衡量旅游和环境科学专业学生对可持续旅游业的态度。

•比较了旅游和环境科学专业的学生。•旅游专业的学生突出了与“利润”和“人”有关的主题。•旅游业的可持续发展素养不能仅仅取决于教师的兴趣。•旅游学专业课程应适应于教学“强项”。可持续性”。•可以邀请环境科学教授在旅游课程中授课。