Read this before heading down that hardware store aisle. While the crux of those old "changing a lightbulb" jokes is based on the simplicity of the task, shopping for light bulbs can be anything but ...

Filipino startup Liter of Light is using old plastic bottles to create solar economies in underprivileged areas. The WSJ's Jason Strother tells us how its simple solar application is transforming ...

Residents in the Philippines are tackling electricity shortages with a clever lighting solution by filling water bottles with bleach and wrapping them in sheet metal. The method harnesses sunlight and ...

While the crux of those old "changing a lightbulb" jokes is based on the simplicity of the task, shopping for light bulbs can be anything but simple. With such a surprising range of options, there are ...