Make an Example with the Land Fill Tax. What does it Reflect, Encourage, but Failed in?

-Local Authorities or Firms that Dump Waste at Landfill Sites are Charged a Environmental Tax, which Reflects the Full Social Costs of using Landfill. [Pollution...] -This should Encourage the Usage of Recycling, which therefore Reduced the Negative Externalities that Landfill does -But this has led to Fly-Tipping being used more [Dumping Waste Illegally on Land that shouldn't have Waste Deposited on it]