Primary material extracted from the Earth rose from 22 bn tonnes in 1970 to 70 bn tonnes in 2010.
Little information is available on the amount and location of metals in landfills.
The global ocean-based economy is estimated to be worth $3 trillion USD per year, which is five% of global GDP.
Renewables produce 5-6% of the GHG emissions of coal-fired plants and 8-10% of gas-fired plants.
For some specialty metals used in mobile phones and solar cells recycling rates are less than 1%.
Rising income and urbanization are changing diets and increasing the need for agricultural land.
Vertical farming, is expected to reach a value of USD 7.3 billion globally by 2025.
Last century, the global economy expanded 30-fold, but global water consumption grew by only six times.