TED - a Lesotho based NGO registered in 2004 - is integrated in national and international networks on renewable energies, sustainable sanitation, and climate protection through biodiversity conservation and avoidance of land degradation.

*Since 2005, TED contributes to international knowledge sharing through consultancy work and lectures at national and international Universities and Summer Academies.
*Since 2006, TED cooperates with BORDA, a Germany based NGO dealing with Decentralized Wastewater Treatment Systems (DEWATS).
*Since 2007 TED coordinates the activities of the Programme for Basic Energy Conservation (ProBEC) that works under the chairmanship of the Department of Energy of the Ministry of Natural Resources in dissemination of Biomass Energy Conserving Technologies.
*In 2010 TED was appointed the Coordinator of Lesotho WASH United 2010 Campaign that uses sport and celebrities to promote Sanitation, Hand Washing with Soap and water and sanitation as a human right.

TEDs mission is the dissemination of appropriate technologies which are environmentally friendly and integrate well into the socio-economic conditions at hand. A primary focus of TED is the engineering and fine-tuning of suitable technologies to foster their long-term adoption by the Basotho. This includes the design of the production process which takes into consideration the present economic structures, the available environmental ressources, the local expertise and cultural particularities.