I am increasingly interested in the odd synergy between survivalists and clean technology/sustainability. Here is another company that builds hardened structures/bomb shelters which include biohazard, air, water filtration and electromagnetic protection. Hardened Structures. Related articles The Free Burma Rangers Service Group and National Geographic's "Doomsday Preppers" are the Hot Topics on this Week's Off The … Continue reading Hardened Structures: clean tech meets doomsday preppers
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