Bottle wall: empty plastic bottles stuffed with plastic bags, sandwiched between chicken wire and them cemented in concrete. The ultimate in recycling & making something from almost nothing. A peace corp worker came up with this idea to build a school.
How to get cheap solar power - 14 solar-themed Instructables. Learn how to make your own solar panels for less, build a solar over, solar powered phone charger and much much more! pinning for fruit drying for next year.
Build A Vertical Wind Generator Using A Old Washing Machine Motor Build A Vertical Wind Generator Using A Old Washing Machine Motor Wind power, as an alternative to fossil fuels, is plentiful, renewable, widely distribute