Building a Living Fence: Osage orange trees (Maclura pomifera), also called hedge apple or horse apple. For an incredibly tough, enduring windbreak that’s a major player in a local ecology, probably nothing surpasses Osage orange.
DIY: Rocket Stove Mass Heater - it warms your house for almost nothing! This post has videos & lots of info about these heaters + materials used to build them. You may already have some of the materials.