Last week, the U.S. House of Representatives passed the Renewable Energy and Job Creation Act of 2008. The bill extends the production tax credit for one year, extends tax credit for six years, and approves $2 billion for new clean renewable energy bonds to finance renewable energy facilities. 

Eco-friendly mattresses are making their way to stores but none seem as convenient as the Keetsa. Not only is the mattress comprised of sustainable material but it also compresses to fit into a box. A wheeled box that is easy to move by one person and as such reduces transportation costs and carbon footprints while simultaneously giving the consumer a savings of 50-75% (according to Keetsa staff).  

All of the individuals that I know have always used the refrigerator as a modern given convenience, never thinking that it in fact would be a luxury to a third of the world's population. That's correct, a third of the world's population lives without electricity and so struggle with the basic need of preserving food due to heat and flies.   

However, Mohammed Bah Abba, a Nigerian teacher is trying to change all that with his invention of a pot-in-pot refrigerator - a refrigerator that does not require electricity.