Press Release Article


Date: Apr 20, 2017
Press Release Number: 69-2017

Agency programs remove 25,000 tons of greenhouse gas emissions, implement energy-efficient lighting systems and achieve $9 million in savings

In observance of Earth Day 2017, the Port Authority announced it has implemented a broad range of energy-efficiency programs contributing to more than $9 million in annual savings and a 25,000-ton reduction in greenhouse gas emissions – the equivalent of taking 5,300 cars off the road.

The PA’s comprehensive sustainability and energy-saving programs include air quality initiatives and equipment and lighting upgrades across many of the agency’s key facilities, notably Port Authority buildings and facilities at the World Trade Center (WTC), the three major regional airports and the Lincoln and Holland tunnels.

"We know that sustainability efforts decrease operational costs and improve the quality of life around our facilities," said Christine Weydig, the Port Authority's Director of the Office of Environmental and Energy Programs (OEEP). "We intend to continue to promote sustainable, resilient design and operational improvements across all of our facilities.”

Three major airport redevelopment projects either under way or set to begin soon – Terminals B and C at LaGuardia Airport, and Terminal A at Newark Liberty International Airport -- will be required to meet stringent Leadership in Energy and Environmental Design (LEED) standards upon completion, along with an increase in the use of electric ground service equipment and advanced systems to collect aircraft deicing fluid.

At the World Trade Center site, a number of conservation measures to achieve LEED certification have been established. The buildings feature daylight controls, occupancy sensors and low flush and flow rate fixtures, resulting in a 16-percent lighting power reduction and 20-percent reduced water usage.

Throughout the WTC site, the Port Authority strives for net-zero carbon emissions for electricity consumption through commercially purchased wind certificates. Each building is equipped to reuse storm water for cooling and irrigation purposes, and the World Trade Center Transportation Hub uses recycled rainwater for flush fixtures.

In addition, WTC has advanced energy- and water-saving technologies that use low-energy equipment, such as variable-speed fans and pumps, low-emission glass coating that reflects long-wave infrared energy, and a high-tech building management system that optimizes energy use and indoor air quality. In September 2016, One World Trade Center was awarded a LEED Gold certification by the U.S. Green Building Council for its green building design, construction, operations and maintenance solutions.

Liberty Park, which the Port Authority opened in 2016, features a multi-hued “living wall” that is 25 feet high and 336 feet long. The rooftop park hosts more than 1,000 evergreen shrubs, perennials and trees – including a descendant of Anne Frank’s famous Horse Chestnut Tree. Liberty Park received the 2016 Civic Betterment Award from the Building Owners and Managers Association International.

The Port Authority also is continuing to redevelop many of its other facilities to become eco-friendly, including the Brooklyn Cruise Terminal (BCT). BCT is the first Shore Power System (SPS) in the East that has been fully operational since November 2016. SPS cuts ports pollution by allowing ships to turn off diesel engines and connect to the local electrical grid to power all onboard services, including lighting, HVAC and elevators/escalators.

The project has reduced significantly the amount of fuel used by idling cruise ships, with a reduction of 1,500 tons of greenhouse gas emissions, 95 tons of nitrogen oxide, 93 tons of sulfur dioxide and 6.5 tons of particulate matter. Financial incentives have been put in place for ships, trucks and cargo equipment owners and operators to update and replace older, less efficient engines. Installation of the SPS installation was a product of Port Authority cooperation with the Red Hook community in Brooklyn.

For additional information on OEEP initiatives, please visit:

The Port Authority of New York and New Jersey

Founded in 1921, the Port Authority of New York and New Jersey builds, operates, and maintains many of the most important transportation and trade infrastructure assets in the country. The agency’s network of aviation, ground, rail, and seaport facilities is among the busiest in the country, supports more than 550,000 regional jobs, and generates more than $23 billion in annual wages and $80 billion in annual economic activity. The Port Authority also owns and manages the 16-acre World Trade Center site, where the 1,776-foot-tall One World Trade Center is now the tallest skyscraper in the Western Hemisphere. The Port Authority receives no tax revenue from either the State of New York or New Jersey or from the City of New York. The agency raises the necessary funds for the improvement, construction or acquisition of its facilities primarily on its own credit. For more information, please visit

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