Columbia subject headings:
Harvard subject headings:
Energy conservation--Technological innovations.
Green technology--Technological innovations.
Greenhouse gas mitigation--Technological innovations.
Industrial design--Environmental aspects
Industrial design--Environmental aspects.
Ozone layer depletion--Prevention--Technological innovations.
Technological innovations--Environmental aspects
Technological innovations--Management--Case studies
Princeton subject headings:
Environmental protection.
Inventions.
Ozone layer depletion--Prevention--History--20th century.
Technological innovations.