While Eastern Europe remains a hotbed for shale gas prospecting, investors should also keep in mind that Chevron is also investing significantly in regions such as Argentina, and its native hub North America, both of which hold great potential.

FORBES: Chevron Digs Deeper Into Eastern Europe For Shale Gas

While land-grabs and exploration for natural gas and renewables continues across the natural landscape, prospecting for a different prize has gradually taken hold in the built environment.

FORBES: Log Baby Log: The Race to The Big New Resource Play You Haven't Heard Of