In nature parks, the number of boots on the ground is always too few to stop poachers, shepherds, and other threats to wildlife and their habitat.
Keep a caring eye on your senior father, without restricting his freedom or invading his privacy more than necessary. How?
Assess elusive issues such as sound or odeur pollution, while the experienced nuisance varies from person to person. How?
Why would you only share crime related sightings, if your smoke detector or burglary alarm is just as meaningful for your neighbors?
In an average city, a dozen agencies are ranging the streets to collect garbage, enforce the law, repair roads, remove graffiti, or garden parks.