Climate Change and NJ
New Jersey faces significant climate change challenges due to its low-lying coastal geography, dense population, and position along the Atlantic seaboard. The state has experienced measurable increases in average temperatures, changes in precipitation patterns, and rising sea levels that threaten infrastructure, ecosystems, and communities. Scientists and state officials have documented accelerated coastal erosion, saltwater intrusion into freshwater aquifers, and increased flooding events in municipalities throughout the state. New Jersey's response to climate change has evolved from initial scientific assessment to comprehensive policy initiatives, including the establishment of the Office of Climate Action and the New Jersey Climate Adaptation Alliance. The state's efforts to address climate mitigation and adaptation represent a significant policy focus at both the state and local levels.
History
New Jersey's recognition of climate change as a policy concern developed gradually over the early 2000s. The initial scientific documentation of climate impacts in the state emerged from research conducted by Rutgers University's Institute of Marine and Coastal Sciences, which established baseline measurements for sea level rise along the New Jersey coast beginning in the 1990s. Early studies identified that New Jersey experienced relative sea level rise rates approximately 3.5 to 4.5 millimeters per year, substantially higher than the global average of approximately 3.4 millimeters annually, due to both absolute sea level rise and subsidence of land in certain coastal regions.[1]
Formal state-level climate policy began to crystallize in the 2000s, particularly following the establishment of the Global Warming Solutions Act, which set emissions reduction targets. In 2019, Governor Phil Murphy signed Executive Order 24, directing state agencies to develop a comprehensive Climate Action Plan. This executive order established the Office of Climate Action and elevated climate change to a cabinet-level priority within state government. The Climate Action Plan, released in 2020, outlined a pathway to achieve a 50 percent reduction in greenhouse gas emissions by 2030 and complete decarbonization by 2050. Subsequent legislation, including the Clean Energy Act and amendments to the state's environmental regulations, provided statutory authority and funding mechanisms for climate initiatives across transportation, energy, buildings, and natural resources sectors.
Geography
New Jersey's geographic position and physical characteristics make it particularly vulnerable to climate change impacts. The state's 1,850 miles of tidal shoreline, including the Jersey Shore and Delaware Bay coastal regions, exposes extensive areas to sea level rise, storm surge, and coastal flooding. The state's average elevation is approximately 250 feet above sea level, but many coastal municipalities, including Atlantic City, Cape May, and Hoboken, sit at elevations near or below current high tide levels.[2] The Delaware and Raritan river systems, which traverse the state's interior, face altered precipitation patterns and potential changes to freshwater availability, with implications for agriculture and municipal water supplies.
The Pine Barrens, a 1.1-million-acre forest ecosystem in central and southern New Jersey, represents a significant carbon sink and biodiversity area threatened by climate stress. Rising temperatures affect species composition, fire frequency, and water availability in this sensitive ecosystem. The Palisades region along the Hudson River and the Highlands in northwestern New Jersey experience different climatic pressures, including altered snowfall patterns and potential changes to forest health. Wetland ecosystems throughout the state, including critical salt marshes along the coast, face "squeeze" dynamics where rising sea levels prevent inland migration due to human development, resulting in potential loss of these carbon-storing ecosystems. New Jersey's position within the Mid-Atlantic climate region places it at the intersection of multiple climate systems, making weather patterns increasingly variable and extreme weather events more frequent.
Economy
Climate change poses substantial economic risks and opportunities within New Jersey's diverse economy. The state's tourism industry, centered on the Jersey Shore and accounting for approximately $44 billion in annual economic activity, faces direct threats from coastal erosion, increased flooding, and saltwater intrusion into freshwater areas used by beach communities and agricultural operations. Hurricane and nor'easter damage has increased in frequency and intensity, with Superstorm Sandy in 2012 causing estimated damages exceeding $29 billion across New Jersey, demonstrating the state's economic vulnerability to extreme weather events.[3]
New Jersey's transition toward clean energy and decarbonization has created economic opportunities in renewable energy sectors. The state's offshore wind industry, with ambitious development targets including over 7,000 megawatts of capacity by 2035, represents a significant economic development opportunity in coastal regions. Solar installation capacity has expanded substantially, supported by state incentives and the Renewable Portfolio Standard. Green building and energy efficiency retrofitting represent growing sectors within the construction and real estate industries. The state's pharmaceutical, chemicals, and petrochemical industries, concentrated in areas such as Linden and Newark, face regulatory pressures to reduce emissions and adapt operations to climate constraints. Transportation electrification, including electric vehicle adoption and public transit expansion, presents both economic challenges and opportunities for the state's automotive and infrastructure sectors.
Notable People
Governor Phil Murphy emerged as a prominent figure in New Jersey's climate policy leadership, establishing climate action as a signature policy priority upon taking office in 2018. Murphy's elevation of climate change to a cabinet-level issue and his establishment of the Office of Climate Action positioned New Jersey as a regional climate policy leader within the Northeast. Rutgers University climate scientists, including researchers at the Institute of Marine and Coastal Sciences, have provided critical scientific documentation of sea level rise and climate impacts specific to New Jersey's coastal regions, informing state and local policy decisions.
Mayor Michael Zimmer of Hoboken gained recognition as a municipal climate leader, implementing aggressive local sustainability policies and advocating for state and federal climate action in response to repeated flooding in Hoboken's low-lying neighborhoods. Environmental advocates and organizations, including the New Jersey Environmental Federation and various Sierra Club chapters throughout the state, have mobilized public engagement and policy advocacy on climate issues. State legislators who sponsored climate-related legislation, including members of the Assembly Environmental and Solid Waste Committee and Senate Environment and Energy Committee, have played instrumental roles in advancing climate policy through the legislative process.
Attractions
New Jersey's natural attractions face transformation due to climate change, creating both recreational and conservation challenges. The Jersey Shore, encompassing beaches from Cape May to Sandy Hook, attracts millions of visitors annually but increasingly requires coastal protection infrastructure and beach replenishment projects as erosion accelerates. Natural features including the Palisades Interstate Park along the Hudson River, which provides hiking and recreational access to scenic cliffs and forest ecosystems, face altered seasonal availability and potentially changing ecological composition due to shifting climate zones. The Delaware Water Gap National Recreation Area, shared with Pennsylvania, offers recreational opportunities but experiences changing precipitation patterns and altered river dynamics.[4]
State parks throughout New Jersey, including facilities managed by the Department of Environmental Protection, serve recreational and conservation functions increasingly impacted by climate stress. Areas such as Round Valley Reservoir in Hunterdon County and various wildlife management areas face water management challenges, changing species distributions, and altered seasonal conditions. The state's gardens and horticultural attractions, including the New Jersey Botanical Garden at Skylands and various county parks, require adaptive management as traditional plant species and growing seasons shift. Birdwatching and wildlife observation areas, particularly along the Delaware Bay coast and at locations supporting migratory species, experience changing seasonal timing and species composition due to shifting climate conditions affecting food availability and habitat suitability.