In my experience, domed lids do help reduce scavenging, but they are not a magic fix. A well-designed dome with a small opening or a gravity flap makes it harder for people to reach inside and for raccoons, gulls, and rats to pull bags out. That usually cuts down visible scavenging and litter around the bin. But the effect depends a lot on the opening size, latch strength, and how often the bin is emptied. If a bin is overflowing, a domed lid barely matters. I have also seen people adapt quickly by using sticks or lifting the lid, so a dome mainly raises the effort and reduces casual access. For cities, the best results come from combining domed lids with secure bags, regular collection, and smart placement. So yes, they can reduce scavenging, but they work best as part of a broader waste-management design rather than as a standalone solution.
Do urban trash cans with domed lids reduce scavenging?
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