CITO
verb [ˈsē ˈtō]
To repair, restore, or improve your surroundings, both natural and built.
Cache In Trash Out® (CITO) is an opportunity for geocachers to beautify and restore natural and urban spaces. Since 2002, more than 675,000 geocachers logged attendances at over 37,000 CITO Events that helped improve the outdoors.