The scale of the challenge to decarbonise Scotland’s buildings is so significant that it requires a rapid and lasting transformation of the construction sector, including: • an industry-wide investment in skills; • far-reaching skills policy reform; and • and an unprecedented recruitment and upskilling. 7. CITB’s analysis of the Climate Change Committee's (CCC) trajectories of the roll out of various low carbon interventions in its Seventh Carbon Budget has identified that Scotland requires an average of 8,800 people every year, through re-training and new roles, in domestic energy efficiency from 2025 to 2050, in order for Scotland to meet its net zero target.