installed 10,000 bottles in the Philippines and shortly thereafter reached 15,000 installations and their goal for 2012 is to reach 1 million homes. In order to help the idea to grow sustainably, they have implemented a “local entrepreneur” business model, whereby bottles are put together and installed by locals who can in turn earn a small income for their work. Additionally a Liter of Light office has been established that conducts volunteer workshops. Spain A local project is underway. Switzerland Liter of Light Switzerland began as a project of the SIMagination Challenge at the University of St. Gallen. The project grew and was established as a student club at the University of St. Gallen and as a non-profit organization in Switzerland in November 2011. The organization's first project was to plan and implement a pilot in Bogota together with Litro de Luz Colombia. The pilot took place in February 2012 and together they installed bottles in Ciudad Bolivar, Bogota. Throughout 2012, Liter of Light Switzerland undertook additional projects in Spain, India and Bangladesh. The Swiss NGO plans to continue sharing lessons learned and spreading the concept via a global platform as well as launching more pilots around the world. Tanzania World Unite! in cooperation with local NGOs has started A Liter of Light in Tanzania in April 2013. Project locations are Dar es Salaam, Moshi/Kilimanjaro and Zanzibar. Uganda A local project is underway. United States Liter of Light USA is committed to educating and raising awareness of Liter of Light and its global outreach. The company is headquartered in New York and frequently holds events and workshops in Manhattan. It maintains its own social media pages on Facebook, Twitter, and LinkedIn. Zambia A local project is underway. References External links https://www.bbc.co.uk/news/magazine-23536914 Alfredo Moser: Bottle light inventor proud to be poor - BBC News Magazine 13 Aug 2013 http://isanglitrongliwanag.org http://literoflightswitzerland.org/idea.html https://www.youtube.com/watch?v=xhtG5vW1lOw The Philippines: Bottleman (UN in Action episode 1432) Appropriate technology International volunteer organizations Charities based in the Philippines Organizations established in 2013 Brazilian inventions Organizations based in Manila