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How we treat precious water: reuse sink water to flush. | #Energias renovables - Renewable energy ecoagricultor.com

Solar panels. I have long thought that solar panels need to look like regular tiles to really take off. Till then, this combination looks fantastic!!!

Wind-powered device can produce 11 gallons per day of clean drinking water from the air

WaterSeer is a low-tech, low-cost atmospheric water condenser that could help create water self-sufficiency in communities around the world.

A Scalable Solar Power System - On a Budget This site has the best articles on DIY solar power. Good information resource.

Build a Simple Solar Air Heater

Build a Simple Solar Heater. This low-cost plan lets you turn any south wall into a source of free heat.