You ever have heard the name of Illac Diaz. He is an entrepreneur and innovator in Phillippines. Follow him on Twitter.

He is developing sustainability projects like green buildings, schools and so forth.

His latest innovation is a light bulg for poor homes in the slums not using electricity but only a one liter bottle, some water, some bleach and just fitting it into the roof of the home. Watch the video to get enlighted…