Why are they using more electric cars in Norway than in the US? What are the underlying mechanisms that drive technological change, and how can we influence them? What is ‘soft technology’ and what role can it play in lowering carbon emissions? In the season 2 finale of Data Nation, IDSS professor Jessika Trancik explains how her lab attempts to measure and model a technology’s real or potential impact, beneficial or harmful, on people, the environment, society — and on critical outcomes like mitigating climate change.