Premature alarm and misplaced scorn have greeted the Zero Carbon Bill.

On one side, agricultural lobby groups are alarmed at the provisional target range for reducing biologically generated methane by mid-century.

But there are opportunities for them to make the case that the target is unjustly stringent — through the parliamentary process and also via the Climate Commission the bill sets up.


On the other side, Greenpeace executive director and former Green Party co-leader Russel Norman appears to think that a court of law is the only place governments can be held to account.

The bill reflects the gravity