These ambiguities will matter not only at the global level, but even more when defining national "net-zero" targets. See, for example the case of New Zealand
New Zealand zero carbon law may exempt its highest emitting sector New Zealand’s farmers may get a free pass from climate action, under legislative proposals published for consultation on Thursday.
They considered a net zero target for *all* GHGs, so could have been stronger. But also the possibility to exempt agriculture entirely so it's a compromise
New Zealand zero carbon law may give sheep (and their methane) a free pass via