Opportunities abound for volunteers to help clean and beautify public spaces throughout the city.

Census tracts within Oakland California that are in the upper 25th percentile statewide for CalEPA's Cal Enviroscreen 2.0, which compiled a series of socioeconomic and environmental indicators to determine "environmentally disadvantaged communities".

More information and methodology, plus the complete dataset available at http://oehha.ca.gov/ej/ces2.html