The Source

One of the arguments frequently made for building more mass transit – in particular rail projects — is that it will help reduce pollution and, as a byproduct, greenhouse gases that are contributing to climate change.

http://thesource.metro.net/2013/05/20/new-ucla-study-finds-gold-line-and-orange-line-produce-less-smog-and-fewer-greenhouse-gases-in-both-near-and-far-term/Read more...