eMission control – Focus: Railways

At the end of “Cutting-edge transportation: Effective emissions-reductions approaches,” in closing, I wrote: “With that said, transit might just be the best thing going when it comes to mitigating negative environmental impact.” Well, time has come to expound upon that thought. For starters it is helpful to clarify “negative environmental impact.” In the context of … Read more

What’s it gonna take…to tackle dirty air?

Today’s thread: Food for thought. Up until now, I have presented information on many different air-pollution aspects: the pollution types, the sources, the implications – both health- and monetary-cost-impact-wise, how and where pollution travels, its makeup, properties and, for one type of pollution, at least – polycyclic aromatic hydrocarbons (or PAHs) – how it interacts with … Read more