Upper 424 Aviation Road N.E.
Calgary, Alberta T2E 8H6 Canada
The letters stand for Centre for Affordable Water and Sanitation Technology. CAWST links WASH (water and sanitation hygiene) researchers, WASH specialists, and WASH project managers with field workers, community, and end-workers. They have helped over 13 million people through over 6,500 organizations in 164 countries. The help includes training support, online technical support, blogs, and other services. Much more information is on their website.