It led to former King Country National MP Shane Ardern's one and only memorable effort during his long political career - driving Myrtle the tractor up the stairs of Parliament!
Now we have the current Labour Government, with strong support from Greens and meek acceptance by ag 'leaders', aiming to tax livestock emissions again.
However, a mate of the Hound points out that the increasing numbers of vegans and vegetarians in the country should pay a greater tax contribution under the ETS.
"By eschewing high-quality meat proteins for a bean-based diet, they will be adding considerably more to global emissions," your old mate's correspondent explains.
Fair point, one would have thought.
