A Princess's Plan to Bring Light to the 620 Million Africans Without Power

Many people living in Africa need electricity, but don’t have it. Luckily, something of a solar power revolution is afoot in Africa, triggering a wave of innovation from solar energy entrepreneurs. One of them is a princess descended from an ancient Mossi warrior, who stresses that the best way to combat this problem… »10/07/15 10:29amToday 10:29am

This Startup Wants To Plant One Billion Trees a Year Using Drones

Deforestation downs 10 billion trees around the globe annually. Replanting trees by hand is slow, expensive, and barely puts a dent in reversing the damage. But one startup wants to use drones that can reforest our increasingly tree-strapped Earth, on a big enough scale to replace slow and expensive hired humans. »10/05/15 10:28amMonday 10:28am