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Earthships - Another Recycling Frontier

Earthships are earth-sheltered autonomous buildings made of tires rammed with earth, which are usually arranged in “U” or horseshoe shaped modules. Each tire is rammed full of earth manually using a sledge hammer. Windows on the sunny side admit light and heat. The open end of the “U” shaped structure faces South in the northern [...]

Enertia- Natural Materials, Natural Energy Homes

Anything massive, once warmed, tends to stay warm.  The Earth maintains a habitatable environment in the minus 459 degree cold of space because our atmosphere allows the planet to capture, distribute, and store energy from the Sun. The atmosphere, like the glass skin of a greenhouse, contains this energy, and thermal currents - the wind, [...]