We remember going to a supposedly green hotel once and not really understanding how they reconciled the air-conditioning units in every room with their supposedly eco-friendly mantra. Well, for next time we go on vacation (if there’s a next time…) we’ll take this listicle from Planet Green along with us: 9 Questions for “Green” Hotels. We’re especially looking forward to the look they give us when we ask question number 8:

Do you have a sustainable swimming pool?

(via Huffington Post)