The expansion of green areas in cities can potentially contribute to climate change mitigation and adaptation, heat and flood mitigation, erosion reduction and carbon capture.
The value of international trade increased six times, and its volume doubled, between 1980 and 2010.
Material efficiency strategies can reduce emissions from materials and operational energy in cars by 30-40% in 2050 in G7 countries, India and China.
Some $US 41 trillion will be required to refurbish old and build new urban infrastructure by 2030
For some specialty metals used in mobile phones and solar cells recycling rates are less than 1%.
11 million tonnes of plastic are discharged into the ocean annually.
A global stockpile of 225 million tonnes of copper is estimated to reside in landfills
20% of world aquifers are overexploited, and 29% of ‘commercial’ fish populations are overfished.