
Quantification of metal stocks in society is limited by the availability of data in most cases.

Dietary changes may soon override population growth as the major driver of land needs for food.

The raw materials used to extract and produce traded goods are three times higher than the direct volume of material resources traded across countries.

In 20 years, available water supplies may satisfy just 60 per cent of world demand

13% of the global urban population lives in coastal areas.

About 25 per cent of the world's land is degraded.

Material efficiency strategies can reduce emissions from materials and operational energy in housing by 40% in 2050 in G7 countries and up to 70% in India and China.

Compact, resource-efficient cities could see cuts of 36-54 per cent in GHG emissions, and in metals, land, energy and water use.