Sea turtles are among the oldest animals on earth, but they are under threat from poachers who attack their nests and steal the eggs. In Sri Lanka, a unique initiative is turning some of these nest raiders into conservationists. 

One third of the world's population doesn't have access to electricity. The Solar Electric Light Fund (SELF) is helping remote rural communities to harness the power of the sun to give them safe, cheap energy to power lighting, medical refrigerators, and modern communications devices.