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WOFATI structures are characterized by a thoughtful design that prioritizes passive systems and natural, locally sourced materials. The "two-skin" system, composed of a double layer of polyethylene membrane, encapsulates the earthen roof, providing a durable and waterproof barrier. The lower layer hugs the structure, while the upper layer defines the thermal mass surrounding it, with at least eight inches of dirt between the layers and sixteen inches on top. WOFATI designs emphasize a harmonious integration with the surrounding woodland, incorporating the "soil on wood" building technique. This method eliminates the need for a conventional concrete foundation, making construction faster and more affordable. A distinctive feature of WOFATI houses is the large gable roof on the downhill side, often incorporating glazing to allow light penetration, while at least 35% of the uphill wall features windows for optimal passive solar gain. This strategic placement and sizing of windows is crucial for maximizing natural light and regulating internal temperature, contributing to the effectiveness of Annualized Thermal Inertia.

A dry outhouse, a simple and sustainable alternative to conventional flush toilets and septic systems, is frequently discussed within permaculture circles as a means of minimizing environmental impact and maximizing resource utilization. This type of outhouse is characterized by a pit dug into the ground, strategically located on a higher elevation point to encourage water runoff and maintain dryness. Key design elements for a successful dry outhouse include a "no pee" policy, the use of ample sawdust for odor control and composting, and urine diversion mechanisms, particularly important for accommodating female anatomy. While concerns about groundwater contamination exist, proper placement, construction, and the incorporation of heavy-feeding trees or plants like willows in a "tree bog" system can mitigate these risks. Furthermore, the integration of a urine separator can significantly reduce the volume and toxicity of waste, facilitating easier composting and nutrient recycling. The dry outhouse, particularly when combined with urine diversion and careful management, offers a cost-effective and environmentally sound approach to sanitation, aligning with permaculture principles of resource conservation and closed-loop systems.

Dry outhouses offer a multitude of positive environmental impacts, aligning perfectly with the core principles of permaculture and sustainable living. Unlike conventional flush toilets that waste gallons of clean water and contribute to pollution, dry outhouses conserve water and prevent contamination. The "no pee" policy, combined with effective urine diversion systems, further minimizes the volume of waste and potential for groundwater pollution. The use of sawdust not only controls odors but also facilitates a dry composting process, essentially mummifying the waste over time and reducing it to poop-jerky after two years. This aged material is then safely used as a nutrient-rich fertilizer for "poop beast" trees like willows, poplars, and cottonwoods. This willow feeder system not only prevents harmful waste from entering the environment but also actively enriches the soil, promoting the growth of beneficial plants and trees. By avoiding chemical fertilizers and promoting natural decomposition, dry outhouses contribute to a healthier ecosystem, aligning with the HUSP (Horticulture of the United States of Pocahontas) concept that emphasizes sustainable land management practices. Furthermore, the absence of a water-intensive septic system eliminates the risk of leaks and contamination, safeguarding groundwater and promoting ecological balance. Therefore, dry outhouses offer a compelling example of how simple, well-designed systems can have a profound positive impact on the environment.