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A Litre of Light – Light bulbs without Electricity

As far as grass root foundations are concerned, they are plentiful and abundant. However it is unfortunate that few hit the mainstream media, and many forcibly diffuse just as quickly as they start. The ones that do succeed display certain characteristics and criteria that can be generalized to a relative extent. The criteria for such sustainable development projects can be narrowed down to cheap replication, effectiveness and ease of use. One such initiative that’s spreading around the globe is the Solar Bottle Lamp (it’s known by other names including the water-lamp, water-bottle-lamp etc.).