4: Climates Last updated Mar 9, 2021 Save as PDF 3.5: Zones 4.1: Soil Page ID14289 Andrew MillisonOregon State University via Oregon State University, Open Educational Resources Unit ( \newcommand{\kernel}{\mathrm{null}\,}\) 4.1: Soil4.2: Trees4.3: Shelter4.4: Food4.5: Water4.6: Energy4.7: Community4.8: Where to From Here?4.9: World Permaculture Organizations