By Ross Brooks, Source: Inhabitat

NSP Solar Pump by Pumpmakers, open-source water pump, solar-powered water pump, Dietmar Stuck, safe drinking water, corrosion-proof water pump

To help bring clean drinking water to the 780 million people who still go without, Pumpmakers developed the NSP Solar Pump, an inexpensive, maintenance-free water pump that can be manufactured locally anywhere in the world. Powered entirely by solar energy, it can extract water from as deep as 300 feet, it works even during cloudy days, and it features a hand crank that can be used at night. The best part is that the company offers free, easy-to-access construction plans and videos, which enables people to build their own solar pump completely unaided.

Read the full article at: Inhabitat