EnviroScreen75th
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
Querying over HTTP
Splitgraph serves as an HTTP API that lets you run SQL queries directly on
this data to power Web applications. For example:
curl https://data.splitgraph.com/sql/query/ddn \
-H "Content-Type: application/json" \
-d@-<<EOF
{"sql": "
SELECT *
FROM \"oaklandca-gov/enviroscreen75th-kin6-dbkc\".\"enviroscreen75th\"
LIMIT 100
"}
EOF
See the Splitgraph documentation
for more information.