What can I do if my neighbour's activities are harming the environment?

In Plain English

Based on the legislation provided, here's what you can do if your neighbor's activities are harming the environment, depending on the location:

If the activity involves rabbits, you can refer to the Environment Protection and Biodiversity Conservation Act 1999 (Cth) Notice of call for Public Comment - Draft varied Threat abatement plan for competition and land degradation by rabbits.

Detailed Explanation

The steps you can take depend on the specific legislation in place in your jurisdiction and the nature of the environmental harm.