Exterior, Wood Siding Material, House Building Type, Saltbox RoofLine, Tiny Home Building Type, and Prefab Building Type In thinking about the worldwide lack of reliable water, sanitation, food, and electricity—and the fact that housing sector contributes more than a third of global greenhouse gas emissions—the Yale Center for Ecosystems in Architecture and the New Haven, Connecticut–based architecture firm Gray Organschi Architecture designed and constructed a 230-square-foot home called the Ecological Living Module (ELM). The construction is a fully off-grid housing prototype that was designed to take advantage of sustainable materials, green technology, and simple construction methods. There's a a rainwater harvesting system, a solar system that provides 100 percent of the building’s energy needs, and a graywater system that irrigates food-producing plants that mark the building’s west facade.  Photo 2 of 9 in This Tiny, Off-Grid Prefab Home Grows Its Own Food

This Tiny, Off-Grid Prefab Home Grows Its Own Food

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The tiny home was oriented to best take advantage of the sun, and an entire facade of the building was designed to hold greenery.