About two billion people have no steady supply of electric light. For light, they burn something, mostly kerosene, a dirty fuel. Now Nokero, a Hong Kong company, is set to market a solar light bulb that provides four hours of light. Single units are costly, but bulk orders would be discounted.

CITY TECH BLOG
Switching Our Dependence on Fossil Fuels to Renewable Sources Will Take Time By City Tech Blogger Anthony Romero
Preventing the increase of water vapor released into the atmosphere means we have to switch from fossil fuel production – our main energy source – to renewable energy sources. Climate change has become like a massive snowball rolling down the hill for some time now; it becomes more