Columbia subject headings:
Environmental policy--Economic aspects--United States.
Green technology--United States--Case studies.
Green technology--United States.
Job creation--United States.
Harvard subject headings:
Environmental policy--Economic aspects--United States
Green technology--United States--Case studies.
Green technology--United States.
Job creation--United States
Princeton subject headings:
Case studies.
Environmental policy--Economic aspects--United States.
Green technology--United States--Case studies.
Green technology--United States.
Job creation--United States.