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The first time I saw the rock dam one, it blew my mind. Dude just went nuts and casually build hundreds or thousands (can’t recall and haven’t rewatched yet) of these mini dams over a lifetime and completely terraformed his valley. It’s really inspiring because there is something genuine there that is simple, cost effective, and scalable (to some not insignificant degree).

It’s crazy because some outstanding solutions like this are right here in front of us but we’re not really doing anything to aid or incentivize them.




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