We are still developing a range of activity plans and lessons that are designed for New Zealand's ecology and culture. Here is an initial set of activities that you can use to explore the 7 principles of Leave No Trace. If you have an activity or a modification that you like, please let me know chris.north@canterbury.ac.nz and I can add it to our lesson bank.
A variety of lessons in one pdf (1MB)
Respect Wildlife and Farm Animals
Travel and Camp on Durable Ground
Dispose of Waste Properly (human waste)
If you would like more ideas, Leave No Trace Ireland have provided a range of activities on their website many of which are applicable to New Zealand or there are a number of books available through the United States Leave No Trace centre .