A group of boys read their homework by the light of a solar lantern, Tanzania, East Africa, Africa

A group of boys read their homework by the light of a solar lantern, Tanzania, East Africa, Africa

A female solar engineer, known as a solar mama, works on the printed circuit board of a solar lamp, Tanzania, East Africa, Africa

A woman, known as a Solar Mama, fixes a solar circuit board, Tanzania, East Africa, Africa

A female solar engineer, known as a solar mama, using a soldering iron to fix the printed circuit board of a solar lamp, Tanzania, East Africa, Africa

In mid January 2015, a three day period of excessive rain brought unprecedented floods to the small poor African country of Malawi. It displaced nearly quarter of a million people, devastated 64,000 hectares of land, and killed several hundred people. This shot shows solar powered lamps in a refugee camp near Chikwawa.

A solar lamp post in Fort McMurray, Alberta, Canada, North America

A solar powered street lamp in Victoria, Australia, Pacific

Thikse Monastery, solar panels with a glowing lamp, Ladakh, Jammu and Kashmir, North India, Himalayas, Asia

Solar-powered street lamp, photo-voltaic system, Herbolzheim, Baden-Wuerttemberg, Germany, Europe

A green lamp and solar panels on a pole, navigation light, aids to navigation, Mi&dzyzdroje beach resort, Misdroy, Wolin Island, Baltic Sea, West Pomeranian Voivodeship, Poland, Europe