In 1998, a Tucson resident named Brad Lancaster took a saw to the curb outside his home and cut six openings into it, creating small channels to divert rainwater off the street and into the space between the sidewalk and the road. Cutting into a public curb without permission was against city rules, and Lancaster carried out the work quietly, often early on Sunday mornings to avoid drawing attention. City officials remained unaware of what he had done for roughly three years, until Lancaster eventually told them himself, since the results of his experiment had become too striking to keep quiet. What began as one man's unauthorised backyard project would go on to reshape how an entire city thinks about rainwater, eventually leading Tucson to legalise, fund and formally require water harvesting practices across the city. It's a good reminder that policy doesn't always start in a planning meeting. Sometimes it starts with one person, a saw, and a Sunday morning quiet enough that nobody notices until the results are too good to argue with.
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