Net-zero emissions targets are vague: three ways to fix (Nature)

… Plans are hard to compare, and definitions loose. The details behind ‘net-zero’ labels differ enormously. Some targets focus solely on carbon dioxide. Others cover all greenhouse gases. … clarify three aspects of their targets: their scope; how they are deemed adequate and fair; and concrete road maps towards and beyond net zero ... see ‘Checklist’ and Supplementary information ...

https://www.nature.com/articles/d41586-021-00662-3