f30508040

Proportion of Materials
Used in Building Elements

Building Elements by percentage
Superstructure / Substructure15
Exterior Envelope25
Building Services40
Interior Systems20

651025

Steel Use in Buildings

Application by percentage
Superstructure65
Substructure10
Non-structural25

6474548

Sources of Global
C02 Emissions by Sector

C02 gigatonnes by Sector
Buildings8.8
Industry9.9
Transport7.3
Other1.1
27.1 gigatonnes