Concrete is a HUGE greenhouse gas source, so this is also a great boon for the environment.  It&#x27;s estimated that concrete is responsible for 5% of all anthropogenic CO2.<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Environmental_impact_of_concrete#Carbon_dioxide_emissions_and_climate_change" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Environmental_impact_of_concre...</a>