• Proximity of Care Design Guide

Liter of Light

Image by Liter of Light

Liter of Light is a global grassroots movement that provides affordable, sustainable solar light to people with limited or no access to electricity.

The initiative distributes the technical know-how to produce solar bottle bulbs, through a combination of social networking, community outreach, open-source sharing, and hands-on building. The improved lighting conditions improve safety, allow children and caregivers to play, read and study indoors and at night. The organization has placed tens of thousands of these solar bottle bulbs in informal settlements worldwide.


Location Multiple locations

Organisation Liter of Light

Date 2011 Scale of catchment Household

Beneficiary Whole family

Built environment component Housing





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