The mission of KOB is to create and sustain a beautiful, clean, green, litter-free city through education, community engagement and volunteer action. The mission of KOB is to create and sustain a beautiful, clean, green, litter-free city through educ To keep Oakland sustainably beautiful, clean, green, and litter free through community engagement, education, and volunteer action. We sponsor beautification projects and cleanups throughout Oakland. Keep Oakland Beautiful is affiliated with Keep America Beautiful, and has achieved President's Circle status.