The 20th century saw a 23-fold increase in natural resources used for building

The 20th century saw a 23-fold increase in natural resources used for building
© Fridolin Krausmann – [[www.123rf.com 123RF.com]]</span>The volume of natural resources used in buildings and transport infrastructure increased 23-fold between 1900 and 2010, according to our research. Globally, there are now 800 billion tonnes of natural resource “stock” tied up in these constructions, two-thirds of it in industrialised nations alone.
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Source: Building & Construction news S.A