It has just occurred to us that we’ve been on a bit of a Siemens spree lately, which might be because of the slow summer news cadence, or that the German industrialist has been on a streak. Either way, Siemens has said that if Pittsburgh heeds its advice, the city could cut carbon emissions by 75% and create 110,000 new jobs. This is a pretty enticing proposal for many cities around the world, struggling with rising air pollution, increased municipal operating costs, and strained services. Siemens says its City Performance Tool (CyPT) is key, which it launched in 2015 as a data-driven software platform that is intended to help cities calculate both the environmental and economic impacts of infrastructure technologies.…