The Uk drops green taxonomy to focus on transition finance: https://www.gov.uk/government/consultations/uk-green-taxonomy

"the government has concluded that a UK Taxonomy would not be the most effective tool to deliver the green transition"

"Many respondents in this sector made the point that a UK Taxonomy, in
itself, is not a policy lever that changes the risk profile or improves the
scalability or viability of projects. These respondents viewed a UK
Taxonomy as a classification tool that could serve as an additional data
point among various factors considered when making investment
decisions. However, it was unlikely to have a material impact on final
investment decisions."

"This was supported by nearly a third of respondents who stated
that other factors would be more influential in establishing the
economic conditions to support investment decisions and cost of
capital. Other factors put forward by respondents included sector
specific roadmaps outlining future government decarbonisation
policies, transition plans, the forthcoming UK SRS, and decisions on
future regulation, grant schemes, or taxation changes — all of which
were viewed as more impactful. "

- read more of the specific reasons for not advancing the UK Green Taxonomy and how alternative approaches were deemed more appropriate.