The green tourism certification labels, also called eco-labels, play a very important part in greening the tourism industry. Some estimate that more than 140 eco-labels are active in all parts of the tourism industry. Focusing on the eco-labels that certify hotels on their green practices, there are a little over 50 active worldwide. At GreenHotelWorld, we list the hotels certified by these 50+ eco-labels. Below you find a subset of eco-labels we are cooperating with more closely