The whole world is waking up to the alarming depletion of natural reserves and intolerable levels of pollution in every nook and corner. There are few places that can boast of a clean and green ambience for you to relax and have a quiet and serene time. Hotels too, are not far behind in the green race. They believe in using eco-friendly materials and are classic examples of reaching towards natural beauty and ethnicity. Tourism-review.com presents the top eco-friendly hotels.