GOV.UK, UK becomes first major economy to pass net zero emissions law, 2019-06-27 ([Internet, 2020-09-18](https://www.gov.uk/government/news/uk-becomes-first-major-economy-to-pass-net-zero-emissions-law))
Net zero emission means that all man-made greenhouse gas emissions must be removed from the atmosphere through reduction measures, thus reducing the Earth’s net climate balance, after removal via natural and artificial sink [...] to zero.
GRM: pl. Federal Administration Style Guide requires hyphenation for attributive modifier: net-zero