Our rating system can help you see at a glance how many eco-friendly steps a particular property has taken. The more green hotel attributes possessed or eco-friendly actions taken by a hotel, the higher its "green leaf" rating. Other features the hotel may have, such as a conference center or internet access in the rooms, do not affect the leaf rating. In order to be included on EnvironmentallyFriendlyHotels.com, a property must have at least 10 green attributes of a possible 30. Hotels with a green leaf rating of one or two can get listed after they take more green initiatives. Here's how listed properties earned their ratings: