A landfill tax or levy is a form of tax that is applied in some countries to increase the cost of landfill. The tax is typically levied in units of currency per unit of weight or volume (£/t, €/t, /yard3).Thetaxisinadditiontotheoverallcostoflandfillandformsaproportionofthegatefee.Ataxorfeemaybeimposedonlandfillsorotherdisposalfacilitiesasameansofraisinggeneralrevenues,togeneratefundsforinspectionprogramsorlong−termmitigationofenvironmentalimpactsrelatedtodisposal,orasameansofinhibitingdisposalbyraisingthecostincomparisontopreferablealternatives,inthesamemannerasanexciseor"sintax".Landfillingisdiscouragedduetoanumberofkeyreasons:ClimatechangecausedbylandfillgasfrombiodegradablewasteLossofresourcesConstraintsonareassuitableforlandfillsitesLossofrecyclablecomponentsofwastelandfilledNimbyobjectionscausingpoliticalproblemsInAustralia,thelandfilllevyrateisdeterminedbystateandterritorygovernments,anddependingonthefactorsinvolvedintheformulation,itdiffersfromonestatetoanother.Thefirst−everimplementedAustralianlevyschemewasenforcedinNewSouthWales(NSW)metropolitanareain1971,whichwasratedat0.51 per tonne. A scheme that was subsequently
followed by some other Australian states and territories. Except for Northern Territory (NT) and
Tasmania (Tas), all of Australia’s other jurisdictions (Australian Capital Territory (ACT), NSW,
Victoria (Vic), Queensland (Qld), South Australia (SA), Western Australia (WA)) have introduced
landfill levies. The sources of disparity in landfill levy imposition are the location of waste disposal
being metropolitan or regional, being obligatory versus voluntary, providing a tax exemption for certain
materials and having levy zones. At the time of writing (2020), ACT has set the largest levy rates (metropolitan:
146.2,regional:199.2) for construction and demolition (C&D) waste among Australian jurisdictions, followed by NSW (metropolitan: $141.