Blizzard posted a teasing screenshot on twitter showing us some of the new doodads added to the single player in the past days. This screenshot was named Bio-dome Command Center. This is probably for the mission in planet Agria which is known to be a ecologic-project by Dr. Hanson.

Agria (Fringe-world colony): Founded by renowned Terra-former Dr. Bernand Hanson, the Agria Colony has been one of the Dominion