Not All Drilling in Texas Is About Oil

Phone lines in Africa and South Asia would never have gotten to the poor - but these places have leapfrogged over last-century technology and gone straight to mobile phones. Now the same thing is happening with off-grid solar power: the fastest -- perhaps the only – way to power the poor.

Electricity is hard to come by in much of Africa. Now, skipping over the fossil fuel age, solar panels are bringing a cheap form of electricity to the continent.

Access to electricity in India takes a huge economic, educational, and health-related toll. A small company called Husk Power Systems has created an innovative system that is turning rice husks into electricity and illuminating India’s poorest state.

Alaska has created a way for residents to financially benefit from the state's dependence on oil revenues. By giving residents a yearly portion of the revenue, the state has been able to see positive effects from an often conflict-ridden industry.

The breakdown of the ozone layer is one of the most well-known effects of climate change. Citizens enact different ways to protect the atmosphere from a build up of methane gas.

Most people are unaware of how much food they waste. Food waste campaigns across the world are using creative marketing to raise awareness and encourage behavior change.

In an agricultural system designed for big-industrial growers, many farmers struggle to bridge the relationship between their produce and consumers, as well as strengthening local economies. The food hub is a collection of buildings that process and distribute the sale of local food. Eastern Market in Detroit is an example of a food hub that makes local produce accessible to low-income neighborhoods.

Great solutions to common problems often already exist and have been implemented elsewhere. By crowdsourcing ideas and broadening the pool from which contractors are selected, cities across the world are improving their cities.

Solar lighting will revolutionize Africa - but access infrastructure is a difficult thing to build. Three different, innovative business models get lights into the hands of the people who need them most.

A follow-up article on Husk Power Systems, which has created a scalable system to turn rice husks into electricity that is reliable, eco-friendly and affordable for families in India. The company bases their business model around local involvement, grassroots systems that cater to the immediate community, and continual accountability. This article fills in some information gaps from the initial piece, "Fixes: A Light in India."