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State of New Jersey Department of Environmental Protection-Sustainability and Green Energy
State of New Jersey Department of Environmental Protection
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Statewide Greenhouse Gas Inventory

New Jersey's greenhouse gas inventory forms the basis for understanding New Jersey's greenhouse gas emissions, allowing for the identification and analysis of policy options to reduce future greenhouse gas emissions.

The DEP released its first statewide greenhouse gas inventory New Jersey Greenhouse Gas Inventory and Reference Case Projections 1990-2020 on October 31, 2008. This inventory presents a 2004 assessment of New Jersey’s statewide anthropogenic greenhouse gas emissions (including carbon dioxide, methane, nitrous oxide, and certain halogenated gases) and sinks (carbon storage) and a projection from 1990 to 2020, assuming both a business-as-usual scenario and a scenario that attempts to meet the Global Warming Response Act’s statewide 2020 limit. Click here for the report New Jersey Greenhouse Gas Inventory and Reference Case Projections 1990-2020 (pdf, 784 kb).

DEP has completed three updates to the statewide greenhouse gas inventory.  The first update included estimated emissions for years 2005, 2006 and 2007.  The second update to the inventory was completed for year 2008.  A third update to the inventory was recently completed for year 2009. 

According to the most recent 2009 inventory, New Jersey’s statewide greenhouse gas emissions in 1990 were approximately 125.6 million metric tons of carbon dioxide equivalent per year.  By 2004, those emissions had risen to approximately 137 million metric tons. In 2009 emissions decreased to approximately 112.1 million metric tons.

figure 1

As shown by Figure 1, the state’s greenhouse gas inventory is divided into eight categories, each contributing to New Jersey’s overall greenhouse gas emissions. The three principal sources of greenhouse gas emissions in New Jersey are transportation, electricity consumption, and the residential, commercial, and industrial (RCI) fuel use sectors.

Portions of the inventory are based on releases reported to the DEP Emission Statement Program.

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Last Updated: January 29, 2013