Air Quality & Greenhouse Gas Emissions Reductions

To protect public health and combat global climate change, and in line with our commitment to adhere to the Paris Climate Agreement, the Port Authority has established both interim and long-term targets for reducing greenhouse gas (GHG) emissions. The interim target of reducing the Port Authority’s GHG emissions 35 percent by 2025 supports the long-term commitment to reduce all emissions related to the agency’s facilities by 80 percent by 2050.

Measuring and Reporting

In order to assess progress toward our greenhouse gas reduction goals, the Port Authority completes and publishes annual, Agency-wide GHG and CAP inventories, the first of which was completed in 2006. The 2006 Inventory Report was instrumental in identifying the initial inventory boundary for Port Authority operations, as well as those for key tenants and customers.

The inventories measure Port Authority direct and indirect emissions, known as Scope 1 and 2 emissions, as well as tenant and customer emissions, known as Scope 3 emissions. Most importantly, these inventories provide the public with the transparency needed to monitor the agency's progress in reducing GHG and CAP emissions.

Reducing Emissions

The Port Authority has established a roadmap for reducing our own GHG emissions 35 percent by 2025. The primary components of the plan are:

  • Energy efficiency improvements
  • On-site renewable energy
  • Clean vehicles
  • Incentivizing marine vessels to take actions that reduce emissions

More information on the Port Authority’s roadmap for emissions reductions can be found here.

Making an Impact Everyday

Every day the Port Authority reaffirms its commitment to safeguarding the environment through leadership and action. Each of the Port Authority's facilities is pursuing capital and operating strategies that address air, land, water quality, and other environmental matters.

Read about some specific environmental sustainability initiatives underway throughout the Port Authority at the following pages:




Tunnels, Bridges and Terminals

Port Authority Vehicles

GHG and CAP Inventories

To track our progress toward this goal, the Port Authority completes annual GHG Inventories. These Inventories also track CAP emissions to ensure both classes of pollutants are decreasing Port-Authority wide. The inventories measure Port Authority direct and indirect emissions, known as Scope 1 and 2 emissions, as well as tenant and customer emissions, known as Scope 3 emissions.

2016 GHG and CAP Inventory

2015 GHG and CAP Inventory

2014 GHG and CAP Inventory

2013 GHG and CAP Inventory

2012 GHG and CAP Inventory

2011 GHG and CAP Inventory

2010 GHG and CAP Inventory | Addendum

2008 GHG and CAP Inventory

2007 GHG and CAP Inventory

2006 GHG and CAP Inventory

In 2010, the Port Authority joined The Climate Registry, a nationally accredited GHG registry, to validate annual inventories and promote transparency. In 2015, the Port Authority switched from The Climate Registry to CDP, an international, not-for-profit organization that provides a global system for companies and cities to measure, disclose, manage and share vital environmental information. This allows the Port Authority to demonstrate our transparency and completeness on environmental management.

[1] Environmental Protection Agency. Sources of Greenhouse Gas Emissions.


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