By Laura Forsyth Last year the Square Mile’s leading financial institutions tripled their investments in low-carbon projects, per a new report from the Corporation of the City of London, to north of $2bn. This is good news, albeit the number itself feels like it should be higher. It is, though, some $2bn more than anybody from Extinction Rebellion or Just Stop Oil have stumped up, and that’s rather the point. The energy transition requires investment in two things: transition (obviously) and new, greener, cheaper technologies. The first we’re very good at: the so-called oil majors are turning …