The Government has started consultation on the Zero Carbon Bill and is seeking input on issues such as the targets, the role of the Commission, and who should be responsible for adaptation.

One controversial issue is whether all gases should be treated the same, or whether short-lived gases like methane which decay after a few years should not be required to cut to zero.

Jeanette Fitzsimons considers the options and gives her view here:

https://thespinoff.co.nz/society/19-06-2018/cutting-methane-hard-and-fast-is-the-best-path-to-carbon-zero/