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The berm shed, a hallmark of permaculture design, is an eco-friendly, earth-sheltered structure renowned for its unique construction techniques. Earthworks are fundamental to its creation, as the surrounding landscape is carefully shaped to form the berm that will encase a portion of the shed's sloping roof. This berm serves a dual purpose, acting as both a natural insulator and a source of thermal mass, effectively regulating the internal temperature. The structural framework of the berm shed is often built using round wood timber framing, a technique that prioritizes using logs instead of conventional dimensional lumber, further enhancing its sustainable appeal. However, the longevity of these logs, especially when in contact with soil, is a crucial consideration. The sources recommend peeling the bark from posts before burying them, a technique born from experience and aimed at minimizing the risk of rot. Another technique for ensuring the durability of the structure involves incorporating gravel into the post holes. The gravel facilitates drainage, preventing water from pooling around the base of the posts and contributing to premature decay. These carefully considered details, combined with the innovative "attic" cell design at the termination ends of the shed, as described in source, showcase a commitment to sustainable building practices that go beyond mere functionality, exemplifying the core principles of permaculture.
Hugelkultur, meaning "hill culture" in German, is a sustainable gardening method that involves creating raised garden beds by burying wood under soil. This technique, described as "soil on wood," uses logs, branches, twigs, and even whole trees, which decompose and act as "a sponge to hold water". The decomposition process attracts beneficial microorganisms, creates air pockets, and releases nutrients, resulting in fertile soil that reduces or eliminates the need for irrigation and fertilization. Hugelkultur is a versatile technique that can be implemented on a small scale or on a large scale, even spanning nearly a kilometer. By utilizing wood that would otherwise be discarded, hugelkultur promotes environmental sustainability and aligns with permaculture principles, allowing gardeners to "grow a typical garden without irrigation or fertilization"
WOFATI, which stands for Woodland Oehler Freaky-cheap Annualized Thermal Inertia, represents a sustainable building solution that merges affordability and energy efficiency. Developed by Paul Wheaton, WOFATI draws inspiration from Mike Oehler's earth-sheltered designs, enhancing them with cost-saving strategies and a focus on harmonizing with the surrounding environment. This innovative approach prioritizes using locally sourced natural materials like wood and earth, thereby minimizing reliance on manufactured products and lessening the building's ecological impact. The concept of Annualized Thermal Inertia is central to WOFATI design, harnessing the surrounding earth as a thermal mass to regulate temperature fluctuations throughout the year. This natural heating and cooling system stores summer heat for winter warmth and retains winter's coolness to moderate summer temperatures, significantly reducing energy consumption. WOFATI buildings typically feature large windows strategically placed on the uphill side to maximize passive solar gain, further enhancing energy efficiency. As the name suggests, WOFATI structures are ideally situated on or near a woodland, emphasizing a symbiotic relationship with nature. Examples of WOFATI buildings, including Allerton Abbey and Wofati 0.8, can be found at Wheaton Labs in Montana
The SKIP (Skills to Inherit Property) program, hosted on permies.com, utilizes a badge system based on the completion of practical projects called "Badge Bits" (BBs). These BBs, categorized under 22 different aspects, encompass a diverse array of skills crucial for sustainable living and homesteading, aligning with the principles of permaculture. To earn a badge, Skippers must complete a predetermined set of BBs within a specific aspect, demonstrating their competency in that area. Badges are tiered, starting with the Sand badge, which signifies basic proficiency and requires approximately 5 hours of work. The next levels are Straw, Wood, and Iron badges, representing increasingly advanced skill levels and significantly greater time commitments. Examples of BBs include carving a wooden spoon (Roundwood Woodworking), building a hugelkultur garden bed (Gardening), installing a light fixture (Electricity), and mending a hole in clothing (Textiles). By completing BBs and earning badges, Skippers showcase their practical skills and dedication to sustainable living to potential "Otisies" (landowners) looking for suitable successors for their properties. Moreover, the completion of BBs contributes to the overall goal of "skipping the rat race," empowering individuals to acquire the skills and experience needed for self-sufficient living.