Refrigeration | greenUPGRADER

Student Brings Solar-Powered Refrigeration to Areas without Electricity

by John Platt on January 29th, 2009

There are still many parts of the world without ready access to electricity. This makes it hard to preserve medicines or to store foods that could quickly go bad. But 21-year-old Emily Cummins — previously named as one of the Future 100 Young Entrepreneurs of the Year and the Ultimate Save-The-Planet-Pioneer in the Cosmopolitan Ultimate Women [...]

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DIY Mini Fridge Keep’n It Cool in the 3rd World

by Doug Gunzelmann on October 29th, 2008

The Pot-In-Pot Cooler is an extremely simple device made from two pots, sand, and water. Used in rural areas and developing countries, where electricity is scarce and precious, the Pot-In-Pot Cooler uses the evaporative power of water to draw heat energy away from the contents.

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