One-third of the current urban population lives in slums and informal settlements, often without access to basic services.
Producing electricity causes a quarter of anthropogenic greenhouse gas emissions
An estimated 33 per cent of the world’s soil is moderately to highly degraded.
Global use of materials will increase from 85 to 186 billion tonnes per year by 2050
By 2050, 70 per cent of the world’s population will live in urban areas, and 80 per cent of food globally is expected to be consumed in cities.
About one-third of the world’s soils are moderately to highly degraded because of erosion.
For some specialty metals used in mobile phones and solar cells recycling rates are less than 1%.
If products were re-manufactured, re-furbished, repaired and re-used, the amount of new material needed could be reduced.