Earlier this week, I wrote about Hartsfield-Jackson Atlanta International Airport’s week-long pilot project to employ 100 sheep (plus a few goats) to munch on invasive vegetation on airport property. ATL’s program comes on the heels of SFO’s 8-year long use of goats to keep weeds at bay and a short-lived experiment a few years back at Seattle-Tacoma International Airport.

Now comes word that the Chicago Department of Aviation is hoping to hire some goats to do yard work as well.

That makes perfect sense for Chicago’s O’Hare International Airport, which has been going green by leaps and bounds. In addition to an in-airport aeroponic garden that is providing herbs and vegetables to some airport restaurants and to a brand new farmer’s market-like stand in the airport, there’s an apiary ( a bee hive yard) on airport property as well.

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