Introduction Tackling the climate crisis is an urgent priority, with increasing concern about whether the goal of the Paris Agreement, which is to restrict the increase in global average temperature to 1·5 degrees, remains within reach.1 The implementation of strategies to rapidly reduce greenhouse gas emissions is currently an urgent need, particularly in high-income countries that have historically been responsible for disproportionate levels of emissions.2,3 In 2023, COP28 was the first...