/ ˈiːkəʊtʊərɪzəm; -tɔːr-; NAmE ˈiːkoʊtʊr-/ noun
[ U ] organized holidays / vacations that are designed so that the tourists damage the environment as little as possible, especially when some of the money they pay is used to protect the local environment and animals
► eco·tour·ist / ˈiːkəʊtʊərɪst; -tɔːr-; NAmE ˈiːkoʊtʊr-/ noun