Columbia subject headings:
Community organization--United States.
Environmental justice--United States.
Environmentalism--United States.
Political participation--United States.
Harvard subject headings:
Community organization--United States.
Environmental justice--United States.
Environmentalism--United States
Political participation--United States.
Princeton subject headings:
Community organization--United States.
Environmental justice--United States.
Environmentalism--United States.
Political participation--United States.