Maria Thomas, London, and may other editors publish a great selection of eco-hotels on the Times Online at the following address: http://www.timesonline.co.uk/tol/travel/holiday_type/green_travel/article630054.ece
Best hand-picked places in Asia by the Times Online are:
The Phu Chaisai Mountain Resort & Spa, Chiang Rai in Thailand.
Wakatobi Dive Resort in Indonesia
Sukau Rainforest Lodge in Borneo, Malaysia
Sri Lanka's Kimbuk River
India , Dandeli 's Jungle Lodges
and these lovely guest houses in the Himalaya ...
Enjoy the trip !