Jo Baxter, Vice President of WFAD and Director for Oceania has produced a regional report on illicit drugs for WFAD 2018. 
The conclusion? Demand is the key driver of drug use, the culture of demand can be changed. 

"Only clear and unambiguous policy frameworks, along with policy implementation which ensures Demand Reduction and Prevention – along with effective drug exiting Recovery Programs – will see the health, community and familial outcomes that societies focused on reducing drug use can achieve" 

Read the whole report here.