One-third of the current urban population lives in slums and informal settlements, often without access to basic services.
Some $US 41 trillion will be required to refurbish old and build new urban infrastructure by 2030
Main metal-containing items for post-consumer waste are cars, electronic appliances and packaging.
If products were re-manufactured, re-furbished, repaired and re-used, the amount of new material needed could be reduced.
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.
Last century, the global economy expanded 30-fold, but global water consumption grew by only six times.
Renewables produce 5-6% of the GHG emissions of coal-fired plants and 8-10% of gas-fired plants.
The world’s richest countries consume on average 10 times as many materials as the poorest.