By Tafline Laylin / Source: Inhabitat

We posted about the amazing MIT-designed plastic solar bottle bulbs that have literally changed the lives of 10,000 slum dwellers in the Phillipines, and now we’re happy to report that the My Shelter Foundation has expanded their “Isang Litrong Liwanag” campaign with the goal of bringing one million of these dirt cheap “liters of light” to homes in Manila’s slums. Hit the jump for a look at the non profit organization’s video, which demonstrates how a plastic bottle filled with water and a touch of bleach has transformed thousands of dark shacks into saner, safer places.

Read more @ Inhabitat