Columbia subject headings:
Climatic change mitigation--Portugal--Congresses.
Conference of the Parties (United Nations Framework Convention on Climate Change) (21st : 2015 : Paris, France)--Congresses.
Harvard subject headings:
Climatic changes
Climatic changes--Government policy--Portugal.
Conference of the Parties (United Nations Framework Convention on Climate Change) (21st : 2015 : Paris, France)--Congresses.
Environmental policy--Portugal.
Global warming
Princeton subject headings:
Climatic changes--Government policy--Portugal.
Climatic changes.
Environmental policy--Portugal.
Global warming.