solar
Pool Water Conservation Using 1/2 Pool Covers
Every year swimming pools are wasting billions of gallons of water that can be saved. This blog addresses the problems with the current use of full pool covers, and how half covers are the solution to pool water conservation. It takes only 200 pools using pool covers to save an entire 3.5 million gallon tank of city drinking water.
Reversed Rural Electrification
Voting Summary (Elevator Pitch):
1.5 billion people spend $38 billion/yr on kerosene lighting, having no electricity. Barefoot Power will help 1 million people access modern, clean electricity, using digital LED lighting and advanced microenterprise-creation freeware.
