I’ve thought for a long time that having some means to detect elevated radiation, even just a tag that changes color, could be worth having on view so you can know what might be going on that the .gov isn’t telling us, or only tells us when it’s too late.

Bugs Bunny: "I speak softly, but I carry a big stick."
Yosemite Sam: "Oh yeah? Well I speak LOUD! and I carry a BIGGER stick! and I use it, too!" BAM!