This large country in north-east Africa is often the source of bad news stories about famine or warfare, so it's heartening to read a positive story about the development of responsible tourism. Aida Edemariam wrote this story in the Guardian of 1 September 2007 describing an initiative in community-based tourism based at the town of Lalibela in the north, with guided treks between traditional villages in the mountains. There are more details on the website of the operator, TESFA.
This really does look like sustainable tourism.
(To order the stories by name, date, country or type click on the appropriate heading)