1.3 billion people lack access to electricity, a drag on economic and social development. Watch how solar is bringing clean energy to India's rural poor and meet the companies making it happen.
A look at Indian entrepreneurs making solar affordable for the rural poor and profitable for them.
A dairy farmer in rural Uttar Pradesh uses solar powered lights to help milk his cows.
Our filmmakers wore Google Glass to document their journey visiting rural villages throughout the north Indian state of Uttar Pradesh.