Britain has reduced its carbon emissions more than any other rich country (source: The Economist)

... remaining coal-burning power plants ... within a couple of years they will be closed and Britain will probably never burn coal for electricity again ... but greening the power grid was the easy bit. Heating and transport will be harder ...

Read more https://www.economist.com/britain/2021/02/14/britain-has-reduced-its-carbon-emissions-more-than-any-other-rich-country