Two options, both can be written as an essay or report
Design your own environmental policy for a real or fictional government department and for a specific environmental issue. Discuss the framing of the problem, how you would develop the policy, implement it, monitor it and then evaluate and report on it. In your report, include a section where you suggest alternative framings and policies but then justify your original policy decision.
you can focus of the Australian government versus the EU if it ok for you.