Columbia subject headings:
Conservation of natural resources--United States--Congresses.
Environmental policy--United States--Congresses.
Social justice--Congresses.
Harvard subject headings:
Conservation of natural resources--United States--Congresses.
Environmental policy--United States--Congresses
Social justice--Congresses
Princeton subject headings:
Conservation of natural resources--United States--Congresses.
Environmental policy--United States--Congresses.
Social justice--Congresses.