Solar Coke Is It!


Thank you Marites for this:

This is the official website of Isang Litrong Liwanag, the group initiating this project here in the Philippines. This is a project of MyShelter Foundation of Illac Diaz.

Thank you for this blog!
One word: Genius.

Q: What’s full of empty calories, packed in disposable plastic, saves energy, helps Earth’s ecology, and improves the lives of the world’s poor?

A. Coca-Cola in 1.5 liter plastic bottles.

It’s the bottles, not the sugary stuff inside them. Fill the empty plastic container with water and a touch of bleach (to suppress growth of clouding algae). Punch a hole in the corrugated steel roof of your shanty, make a secure metal collar for the bottle and use it to fix the container halfway-in. halfway-out of the house. Seal with a bit of caulk to make it water-tight. The sun will now fill the dark interior of your dwelling with the light of a 55-watt lightbulb, without electricity.

This simple action, installation of a cost-effective “solar lightbulb” or skylight, could vastly improve the lives of billions of poor people in sun-swept favelas, shantytowns, and bidonvilles and scattered rural dwellings around the globe. Watch a coke-bottle lightbulb being made in the Philippines. You don’t have to understand the language to appreciate the significance of the change in people’s’ daily lives.


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