Boston Logan proved to be one of the leaders in green initiatives with the first LEED certified airport terminal in the U.S. In addition, the airport has wind turbines and solar panels. More recently, the gates at BOS were outfitted with aircraft plug-in power options at each gate so that airplanes don't have to run the auxiliary power units as much while located at the gate.
BOS gained approval and notoriety for an environmentally-friendly asphalt mix that reduced CO2 emissions drastically and saved fuel and energy during construction.