Columbia subject headings:
Industrial management--Environmental aspects--Great Britain--Congresses.
Pollution--Government policy--Great Britain--Congresses.
Pollution--Great Britain--Congresses.
Pollution--Law and legislation--Great Britain--Congresses.
Harvard subject headings:
Industrial management--Environmental aspects--Great Britain--Congresses.
Pollution--Government policy--Great Britain--Congresses.
Pollution--Great Britain--Congresses.
Pollution--Law and legislation--Great Britain--Congresses.
Princeton subject headings:
Pollution--Congresses.
Pollution--Environmental aspects--Congresses.