humza yousaf said he came to the decision after tensions between his party, the snp, and the greens over the scrapping of key climate targets. its co—leader, lorna slater, has accused the snp of "selling out future generations". so how did the power sharing agreement in scotland come about? and what led to its collapse? my colleague, sofia bettiza, is in the newsroom to explain. the power—sharing deal between the snp and the greens in scotland has collapsed, so how did we get here? well, the arrangement was established in 2021, when nicola sturgeon was first minister. it meant that the two microlitres of the green party, you can see them here, became members of the government. in 2023, humza yousaf took over as leader of the snp, but since then there have been several issues that have caused a lot of division within the scottish government. the most divisive was the environment policy. they announced that they would scrap their target of reducing greenhouse gas emissions by 75% by 2030. this is a significant u—turn for the snp, because when these targets were first announced in 201