For many years the City of Stockholm has been pyrolysing its green waste to create bioenergy and biochar which is contributing to Net Zero and better urban water management while helping to create a greener, cooler city. The biochar is used along with compost and recycled rock to create structural soil which retains stormwater and nutrients and is used in municipal tree pits, raingardens, turf areas and other landscaping. This is providing multiple benefits including:

• Healthy trees and larger tree canopies.

• Increased drought tolerance and reduced irrigation demand.

• Reduced stormwater runoff.

• Improved stormwater quality and reduced eutrophication.

The Stockholm system is now being adopted by cities globally. This article discusses some opportunities for applying the Stockholm System to Australian cities and towns.

National Map is a portal to Australia’s spatial data containing over 13,000 datasets from more than 50 data custodians, from all levels of government across Australia. In this article I provide some examples of how I’ve used it in recent projects.