Columbia subject headings:
Harvard subject headings:
Climatic changes--History--21st century.
Communication in politics--History--21st century.
Economic development--History--21st century.
Economic policy--History--21st century.
Globalization--History--21st century.
Sustainability--History--21st century.
Sustainable development--Social aspects--History--21st century.
Princeton subject headings:
Climatic changes--History--21st century.
Communication in politics--History--21st century.
Economic development--History--21st century.
Economic policy--History--21st century.
Globalization--History--21st century.
Sustainability--History--21st century.
Sustainable development--Social aspects--History--21st century.