Appropriate technology organizations

independent agency and volunteer program run by the United States Government

non-profit initiative

Google.org, founded in October 2005, is the charitable arm of Google, a multinational technology company. The organization has committed roughly US$100 million in investments and grants to nonprofits annually.

German government international aid agency

desert greening project, Saudi Arabia

eco-centre in Powys, mid-Wales, UK, demonstrating and teaching sustainable development