Pittsburgh International Airport’s new terminal is going green.

The Allegheny County Airport Authority board approved an additional $4.7 million in spending to Gensler + HDR on Friday to include environmentally friendly LEED certification as part of the design for the new landside terminal to be used for ticketing, security and baggage claim.

Christina Cassotis, the airport authority’s CEO, said the contract amendment also provides money for the design of more ticket counters, which are increasing by 40% at the request of the airlines operating from Pittsburgh International.

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