The climate change-related total tax revenue in the UK is forecasted to decline gradually from 2024 through 2028. Starting at 5.86% of the total tax revenue in 2024, it's expected to decrease to 5.52% by 2028. Compared to earlier years, this trend represents a slight downward annual change, approximating a negative year-on-year variation as the years progress.

Future trends to watch for include:

Potential policy shifts that may impact tax structures and initiatives aimed at increasing climate adaptation and mitigation efforts.
Developments in green technology which could alter energy consumption patterns and, consequently, revenue collected from climate-related taxes.
Changes in international climate agreements that could influence domestic taxation strategies.