[ferros]

That’s an attention grabbing headline number, but what it doesn’t tell you is what would alternatives mean in terms of co2 emissions?

Let’s say we take cement out or drastically reduce it. Where does co2 sit in increased consumption of viable alternatives.

[x86_64Ubuntu]

I'm not quite understanding why the article should present alternatives. That's not what the article is really about. However, the article does present alternatives concerning the company BioMason.