Slums

A liter of light, an update

Back to  2011 I wrote about Isang Litrong Liwanag, a Filipino iniative to bring light to people living in the slums of Manila. Years laters, the project has grown, found partners and is expanding globally.

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Selling solar power in India’s slums

I have already written a few posts on how poor populations of Asia or Africa are leapfrogging from no electricity to renewables without going through the distributed fossil fuels electricity phase. Electrical grids are expensive and so is coal. In countries with so much sun such as India, solar energies such as solar PV looks

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Isang Litrong Liwanag : The solar bottle

While reading the tweets of the people I follow, one from Andrew Revkin got my attention : “ H. sapiens, innovator: Solar “light bulbs” from water-filled soda bottles brighten tin-roofed slums.  “ This was how I got introduced to Isang Litrong Liwanag ( “A Liter of Light” ), one of the most brilliant ideas I

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