Griffith is currently the UK's Net Zero Business Champion, a role that he was appointed to by the Prime Minister on 17 November 2020. Working closely with 10 Downing Street, the COP26 President Designate and the Business Secretary, Griffith's role is to support UK businesses of all sizes to make credible plans to net zero by 2050 or earlier and to showcase the UK's place as a global leader in tackling climate change in the run up to the UN Climate Summit being held in Glasgow in November 2021.