How has tree clearing in Australia affected the environment?

Introduction

Tree clearing has been going on in Australia since European settlement, but is tree clearing a good thing? 
There are pros and cons for tree clearing and the extent to which it is conducted.   
There are people for and against tree clearing, who are they and what are their view points?          
You are going to take on one of four roles and investigate the affects of tree clearing from your perspective. 
You are going to use the knowledge gained to arrive at a possible solution to tree clearing issues.              

   

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