{"query_echo":{"q":"","filters":{"geography":["East Coast of the United States"]},"warnings":[{"code":"facet_value_not_in_vocabulary","message":"Value 'East Coast of the United States' for facet 'geography' is not in the controlled vocabulary."}]},"total":{"value":14,"relation":"eq"},"page":1,"page_size":20,"self":"https://climateinsightsdirectory.org/api/v1/search?geography=East+Coast+of+the+United+States","stability":"beta","ai_marking":{"digital_source_type":{"uri":"http://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia","name":"Created using Generative AI"},"notice":"Summary and key insights are generated using artificial intelligence."},"results":[{"id":"ucs-000229","url":"https://climateinsightsdirectory.org/document/ucs-000229","title":"A Toxic Relationship","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"fact sheet","language":"en","date_published":"2020-07","source_url":"https://www.ucs.org/sites/default/files/2020-07/a-toxic-relationship.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document argues that rising sea levels and extreme coastal flooding threaten approximately 2,000 Superfund sites along the US East and Gulf Coasts, potentially releasing hazardous chemicals into nearby communities. It highlights that these risks disproportionately affect communities of color and low-income households, who are more likely to live near these sites. The authors criticize the Trump administration for sidelining climate science and rescinding resilience-focused executive orders, and they recommend a new executive order and interagency coordination to integrate climate science into Superfund site risk assessments.","ai_generated":true,"unit":"ucs-000229#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Approximately 2,000 official and potential Superfund sites are located within 25 miles of the US East or Gulf Coast, with Florida, New Jersey, and New York identified as particular hotspots.","ai_generated":true,"unit":"ucs-000229#insight-1","date_modified":"2026-10-23"},{"text":"Under a high sea level rise scenario by 2100, 1,018 Superfund sites (71% of those within 10 miles of the East or Gulf Coast) would be at risk of flooding. Even under a low sea level rise scenario, 876 sites would be at risk within the next 20 years.","ai_generated":true,"unit":"ucs-000229#insight-2","date_modified":"2026-10-23"},{"text":"Superfund site flooding disproportionately affects vulnerable populations; in the high sea level rise scenario, nearly 2.5 million more people of color than expected live within five miles of an at-risk site. Additionally, between 300,000 and 2.5 million more low-income households than expected are at risk depending on the sea level rise scenario.","ai_generated":true,"unit":"ucs-000229#insight-3","date_modified":"2026-10-23"},{"text":"Past events demonstrate that extreme flooding can compromise chemical containment, such as Hurricane Harvey's impact on the San Jacinto Waste Pits in Texas and Hurricane Irene's impact on the American Cyanamid site in New Jersey.","ai_generated":true,"unit":"ucs-000229#insight-4","date_modified":"2026-10-23"},{"text":"The Trump administration is accused of undermining climate resilience by rescinding Executive Order 13690, which required new federal infrastructure to incorporate climate change into flood risk planning, and by sidelining federal climate scientists.","ai_generated":true,"unit":"ucs-000229#insight-5","date_modified":"2026-10-23"}],"climate_tags":["sea level rise","environmental justice","climate change adaptation","climate finance"],"geography_discussed":["Texas","New Jersey","Florida","New York","Houston","Bering Sea"],"frame_perspective":[],"analysis_type":["risk assessment","demographic analysis","policy review"]},{"id":"ucs-000230","url":"https://climateinsightsdirectory.org/document/ucs-000230","title":"A Toxic Relationship","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"report","language":"en","date_published":"2020-07","source_url":"https://www.ucs.org/sites/default/files/2020-07/a-toxic-relationship-appendix.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","analysis_type"],"summary":{"text":"The document describes a two-part methodology: first, using a \"bathtub model\" combining Digital Elevation Models, tidal gauge data, and NOAA sea level rise projections to map future 100-year-flood zones; second, performing a buffer analysis around 9,689 Superfund sites to determine if people of color and low-income households are disproportionately located near sites at risk of flooding.","ai_generated":true,"unit":"ucs-000230#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The researchers used a \"bathtub model\" to estimate permanent and temporary coastal flooding by combining Digital Elevation Models (DEM), tidal gauge data, and NOAA sea level rise projections to create a continuous surface of data for the East and Gulf Coasts.","ai_generated":true,"unit":"ucs-000230#insight-1","date_modified":"2026-10-23"},{"text":"To determine the total water level (TWL) for various years and climate scenarios, the model added sea level rise layers to 100-year-flood height and mean higher high water layers, then subtracted the DEM layer to identify areas where the value was greater than 0 as expected flooded zones.","ai_generated":true,"unit":"ucs-000230#insight-2","date_modified":"2026-10-23"},{"text":"The study analyzed 9,689 Superfund sites from the EPA's Facility Registry Service, including those actively being remediated, proposed for listing, or in screening and assessment phases.","ai_generated":true,"unit":"ucs-000230#insight-3","date_modified":"2026-10-23"},{"text":"Superfund sites were classified as at risk of flooding if they were located within the projected flooding extent for NOAA's low, intermediate, intermediate-high, and high climate scenarios for the years 2040, 2060, 2080, and 2100, including a 200-meter buffer to account for the two-dimensional area of hazardous materials.","ai_generated":true,"unit":"ucs-000230#insight-4","date_modified":"2026-10-23"},{"text":"The proximity analysis utilized one-mile, three-mile, and five-mile buffer zones around at-risk Superfund sites to estimate the number of people, specifically people of color and low-income households, living nearby using US Census Bureau block group data.","ai_generated":true,"unit":"ucs-000230#insight-5","date_modified":"2026-10-23"},{"text":"To assess disproportionate risk, the study compared the observed number of low-income households and people of color in the buffer zones against expected values based on the overall percentages of these groups in coastal counties along the East and Gulf Coasts.","ai_generated":true,"unit":"ucs-000230#insight-6","date_modified":"2026-10-23"}],"climate_tags":["sea level rise","coastal flood","environmental justice"],"geography_discussed":[],"frame_perspective":[],"analysis_type":["methodology","spatial analysis","demographic analysis"]},{"id":"ucs-000697","url":"https://climateinsightsdirectory.org/document/ucs-000697","title":"The US Military on the Front Lines of Rising Seas","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"executive summary","language":"en","date_published":"2016-07","source_url":"https://www.ucs.org/sites/default/files/attach/2016/07/front-lines-of-rising-seas-key-executive-summary.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The Union of Concerned Scientists analyzed 18 strategic US military installations on the East and Gulf coasts, finding that most face significant risks from rising seas. Under a 'highest' scenario of sea level rise, some bases could lose between 75 and 95 percent of their land area by 2100. The report highlights that tidal flooding frequency will increase steeply, and storm surges will reach further inland and with greater depth. It emphasizes the need for high-resolution mapping and regional collaboration, noting that the vulnerability of surrounding low-income and minority communities can further compromise base operations.","ai_generated":true,"unit":"ucs-000697#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"A sea level increase of approximately three feet would put 128 coastal Department of Defense (DOD) installations in the United States at risk, including naval installations valued at roughly $100 billion.","ai_generated":true,"unit":"ucs-000697#insight-1","date_modified":"2026-10-23"},{"text":"Analysis of 18 installations shows that by midcentury, all but two could experience tidal flooding 100 times per year under a moderate sea level rise scenario.","ai_generated":true,"unit":"ucs-000697#insight-2","date_modified":"2026-10-23"},{"text":"Under the 'highest' sea level rise scenario, four military installations are projected to lose between 75 and 95 percent of their land area by the end of the century. The most severely affected sites include Naval Air Station (NAS) Key West, Joint Base Langley-Eustis, NAS Oceana Dam Neck, and Marine Corps Recruit Depot (MCRD) on Parris Island.","ai_generated":true,"unit":"ucs-000697#insight-3","date_modified":"2026-10-23"},{"text":"Future sea level rise will increase the severity of storm surges; for nearly 80 percent of analyzed installations, a Category 1 storm in 2100 (intermediate scenario) would cause flooding equivalent to a Category 2 storm today.","ai_generated":true,"unit":"ucs-000697#insight-4","date_modified":"2026-10-23"},{"text":"The vulnerability of military bases is linked to the socioeconomic status of surrounding communities. Areas around bases such as NS Norfolk, Langley AFB, and MCRD Parris Island have high poverty rates and large African American and Latino populations, which may hinder recovery and complicate base operations.","ai_generated":true,"unit":"ucs-000697#insight-5","date_modified":"2026-10-23"}],"climate_tags":["sea level rise","storm surge","coastal flood","climate change adaptation","climate justice"],"geography_discussed":["Florida","Virginia","South Carolina","Maine","Maryland","Washington, D.C."],"frame_perspective":[],"analysis_type":["risk assessment","spatial analysis","scenario modeling"]},{"id":"ucs-000698","url":"https://climateinsightsdirectory.org/document/ucs-000698","title":"The US Military on the Front Lines of Rising Seas","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"report","language":"en","date_published":"2016-07","source_url":"https://www.ucs.org/sites/default/files/attach/2016/07/front-lines-of-rising-seas-methodology.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document details the technical approach used by the Union of Concerned Scientists to evaluate coastal flooding risks for US military bases. It describes the use of the NOAA SLOSH model for storm surge, the NOAA Inundation Analysis tool for tidal flooding, and Mean Higher High Water (MHHW) levels for permanent inundation. The analysis utilizes localized sea level rise projections for 2050, 2070, and 2100 based on the 2013 National Climate Assessment. Key caveats include the exclusion of rainfall-induced flooding, the use of worst-case 'Maximum of the Maximum' storm surge scenarios, and the fact that the study provides illustrative snapshots rather than a comprehensive risk assessment of all bases.","ai_generated":true,"unit":"ucs-000698#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The analysis of storm surge inundation utilized the NOAA SLOSH model and specifically employed the 'Maximum of the Maximum Envelopes of Water' (MOM), which represents a worst-case scenario for each hurricane category.","ai_generated":true,"unit":"ucs-000698#insight-1","date_modified":"2026-10-23"},{"text":"Sea level rise projections for the years 2050, 2070, and 2100 were based on the Intermediate-High and Highest scenarios from the 2013 National Climate Assessment, provided via Climate Central.","ai_generated":true,"unit":"ucs-000698#insight-2","date_modified":"2026-10-23"},{"text":"Tidal flooding frequency was assessed using NOAA's online Inundation Analysis tool and a five-year baseline period from 2009-2013 to calculate annual averages of minor coastal flooding.","ai_generated":true,"unit":"ucs-000698#insight-3","date_modified":"2026-10-23"},{"text":"Permanent inundation was determined by analyzing the changing extent of the Mean Higher High Water (MHHW) level, with future projections calculated as the percentage of 'currently dry land' that would be inundated.","ai_generated":true,"unit":"ucs-000698#insight-4","date_modified":"2026-10-23"},{"text":"The study's results may underestimate actual flooding because the SLOSH model does not account for wave setup, run-up, riverine flooding, or rainfall-induced flooding.","ai_generated":true,"unit":"ucs-000698#insight-5","date_modified":"2026-10-23"},{"text":"The analysis is illustrative and not comprehensive; it focuses on a selection of military sites chosen with expert consultation rather than all existing bases on the East and Gulf Coasts.","ai_generated":true,"unit":"ucs-000698#insight-6","date_modified":"2026-10-23"}],"climate_tags":["sea level rise","storm surge","coastal flood","climate change adaptation","coastal erosion"],"geography_discussed":["Virginia","Eglin Air Force Base","Marine Corps Base Camp Lejeune"],"frame_perspective":[],"analysis_type":["methodology","exposure assessment"]},{"id":"ucs-000115","url":"https://climateinsightsdirectory.org/document/ucs-000115","title":"Surviving and Thriving Face Rising Seas","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"report","language":"en","date_published":"2015-11-16","source_url":"https://www.ucs.org/resources/surviving-and-thriving-face-rising-seas","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report identifies 'climate equity hotspots' along the U.S. East and Gulf Coasts, where projected sea level rise and tidal flooding combine with socioeconomic risks such as poverty and minority population share. It argues that federal and state agencies must prioritize these vulnerable communities in funding and infrastructure investments to ensure an equitable response to climate change. The analysis evaluated thirty-five coastal counties across nine states and provides case studies for five specific locations, including Dorchester County, MD, and Plaquemines Parish, LA, to illustrate the challenges of environmental injustice and sinking lands.","ai_generated":true,"unit":"ucs-000115#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The report introduces a screening tool to identify 'climate equity hotspots,' which are areas where climate risks from sea level rise and tidal flooding overlap with socioeconomic risk factors such as poverty, per capita income, educational attainment, and the share of the minority population.","ai_generated":true,"unit":"ucs-000115#insight-1","date_modified":"2026-10-23"},{"text":"The analysis evaluated thirty-five coastal counties across nine states on the U.S. East and Gulf Coasts, noting that sea levels are rising most rapidly in these regions.","ai_generated":true,"unit":"ucs-000115#insight-2","date_modified":"2026-10-23"},{"text":"The document recommends that federal, state, and local agencies target funding for preparedness and disaster recovery specifically to the most at-risk communities and direct investments in health, shelter, energy, and transportation to these populations.","ai_generated":true,"unit":"ucs-000115#insight-3","date_modified":"2026-10-23"},{"text":"Five specific locations are highlighted as case studies for coastal climate equity challenges: Dorchester County, MD; Charleston, SC; Opa-locka and Hialeah, FL; Gulfport, MS; and Plaquemines Parish, LA.","ai_generated":true,"unit":"ucs-000115#insight-4","date_modified":"2026-10-23"}],"climate_tags":["sea level rise","storm surge","climate justice","climate resilience","environmental justice","carbon dioxide emissions"],"geography_discussed":["East Coast of the United States","Gulf of Mexico","Dorchester County","Charleston","Opa-locka","Hialeah","Gulfport","Plaquemines Parish"],"frame_perspective":[],"analysis_type":["socioeconomic risk assessment","case study"]},{"id":"eesi-000362","url":"https://climateinsightsdirectory.org/document/eesi-000362","title":"Microsoft Word - OSW Coalition Sign-On Letter to Obama Final 10-22-15.docx","publisher":{"name":"Environmental and Energy Study Institute","organization":"environmental-and-energy-study-institute"},"document_type":"statement","language":"en","date_published":"2015-10-22","source_url":"https://www.eesi.org/files/Offshore_Wind_Letter_to_Obama_Final_10-22-15.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document is a sign-on letter from a broad coalition of organizations and officials requesting that the Obama administration prioritize offshore wind power development, specifically along the Atlantic coast. The coalition advocates for a bold development goal of 22 GW by 2030, increased federal incentives, and improved collaboration between federal agencies and state governments to support the Clean Power Plan.","ai_generated":true,"unit":"eesi-000362#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The Atlantic coast possesses an estimated 1,300 GW of energy generation potential, which could power 85 million American homes and reduce carbon pollution by an amount equivalent to removing over 100 million cars from the road.","ai_generated":true,"unit":"eesi-000362#insight-1","date_modified":"2026-10-23"},{"text":"Seven federal Wind Energy Areas designated for offshore wind have the collective capacity to generate nearly 20 GW, which is sufficient to power more than 6 million average U.S. homes.","ai_generated":true,"unit":"eesi-000362#insight-2","date_modified":"2026-10-23"},{"text":"The coalition requests that the administration set a development goal for the Atlantic of 22 GW by 2030, aligning with a scenario analyzed in the Department of Energy's 2015 Wind Vision report.","ai_generated":true,"unit":"eesi-000362#insight-3","date_modified":"2026-10-23"}],"climate_tags":["offshore wind power","clean energy","carbon dioxide emissions","Clean Power Plan","renewable energy","climate change"],"geography_discussed":["Rhode Island"],"frame_perspective":[],"analysis_type":["policy advocacy"]},{"id":"commyale-000070","url":"https://climateinsightsdirectory.org/document/commyale-000070","title":"Hurricane Attitudes of Coastal Connecticut Residents: A Segmentation Analysis","publisher":{"name":"Yale Program on Climate Change Communication","organization":"yale-program-on-climate-change-communication"},"document_type":"executive summary","language":"en","date_published":"2015-06-29","source_url":"https://climatecommunication.yale.edu/publications/coastal-ct-hurricane-segments/","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report segments coastal Connecticut residents into five groups based on hurricane attitudes: the 'First Out', 'Constrained', 'Optimists', 'Reluctant', and 'Diehards'. It analyzes how risk perception, perceived barriers, and trust in authority influence evacuation decisions, noting that while local official orders are the most effective trigger for all groups, different segments require different interventions ranging from resource assistance to risk education.","ai_generated":true,"unit":"commyale-000070#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Coastal Connecticut residents are divided into five segments based on hurricane attitudes: the 'First Out' (21%), 'Constrained' (14%), 'Optimists' (16%), 'Reluctant' (27%), and 'Diehards' (22%).","ai_generated":true,"unit":"commyale-000070#insight-1","date_modified":"2026-10-23"},{"text":"The 'First Out' group has the highest risk perception and evacuation rate, with 55% evacuating during Superstorm Sandy. Conversely, 'Diehards' have the lowest risk perception and are the least likely to leave, with only 6% evacuating during Superstorm Sandy due to beliefs in self-reliance and the need to protect property.","ai_generated":true,"unit":"commyale-000070#insight-2","date_modified":"2026-10-23"},{"text":"The 'Constrained' segment understands hurricane risks but faces practical barriers to evacuation, such as lack of money, pets, or health and disability issues. 22% of this group evacuated during Superstorm Sandy.","ai_generated":true,"unit":"commyale-000070#insight-3","date_modified":"2026-10-23"},{"text":"The 'Optimists' believe hurricanes are unlikely to occur in the next 50 years, making them the least prepared group and the most likely to perceive barriers like lack of know-how, money, or health issues.","ai_generated":true,"unit":"commyale-000070#insight-4","date_modified":"2026-10-23"},{"text":"The 'Reluctant' group is less afraid of hurricanes than average and typically lives further from the coast, but they are likely to evacuate if ordered to do so by local authorities, such as the Governor's Office or local police and fire departments.","ai_generated":true,"unit":"commyale-000070#insight-5","date_modified":"2026-10-23"},{"text":"Across all segments, evacuation orders from local officials (police, fire, or government workers) are more effective than announcements from weather broadcasters or other media sources.","ai_generated":true,"unit":"commyale-000070#insight-6","date_modified":"2026-10-23"}],"climate_tags":["hurricane","emergency management","climate change communication"],"geography_discussed":["East Coast of the United States"],"frame_perspective":[],"analysis_type":["segmentation analysis","survey"]},{"id":"ucs-000596","url":"https://climateinsightsdirectory.org/document/ucs-000596","title":"How Sea Level Rise and Tidal Flooding Threaten U.S. East and Gulf Coast Communities over the Next 30 Years","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"executive summary","language":"en","date_published":"2014-10","source_url":"https://www.ucs.org/sites/default/files/attach/2014/10/encroaching-tides-executive-summary.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The analysis warns that sea level rise will cause tidal flooding to become chronic and widespread across the U.S. East and Gulf Coasts by 2045. Many communities will see a tripling or more of annual flood events, with some locations facing over 180 floods per year. The report emphasizes the need for urgent local and national adaptation strategies, including infrastructure upgrades and emissions reductions, to manage the inevitable disruptions to daily life and infrastructure.","ai_generated":true,"unit":"ucs-000596#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"By 2030, more than half of the 52 analyzed communities on the East and Gulf Coasts are projected to average over 24 tidal floods annually, with two-thirds potentially experiencing a tripling or more of their current annual flood frequency.","ai_generated":true,"unit":"ucs-000596#insight-1","date_modified":"2026-10-23"},{"text":"By 2045, one-third of the analyzed locations are expected to face tidal flooding more than 180 times per year on average, and nine specific locations, including Cape May and Atlantic City, NJ, could see 240 or more annual events.","ai_generated":true,"unit":"ucs-000596#insight-2","date_modified":"2026-10-23"},{"text":"The mid-Atlantic coast is projected to experience some of the most significant increases in flood frequency, with cities like Washington, DC, and Annapolis, MD, potentially averaging over 150 tidal floods annually by 2030.","ai_generated":true,"unit":"ucs-000596#insight-3","date_modified":"2026-10-23"},{"text":"Tidal flooding will expand into areas currently unaffected; for example, New London, CT, could increase from two annual floods today to over 35 by 2045, while Gulf Coast locations like Freeport, Rockport, and Sabine Pass, TX, could face 35 to 70 floods per year by 2045.","ai_generated":true,"unit":"ucs-000596#insight-4","date_modified":"2026-10-23"},{"text":"Higher sea levels will allow high tides to push water further inland and create longer-lasting flood conditions, meaning extensive flooding that previously required storms may occur from tides alone in places like Savannah, GA, and Lewisetta, VA, within one or two decades.","ai_generated":true,"unit":"ucs-000596#insight-5","date_modified":"2026-10-23"},{"text":"The report argues that coastal adaptation has fundamental limits; in some areas, structural defenses will be impossible or too costly, eventually requiring communities to shift back from the shore.","ai_generated":true,"unit":"ucs-000596#insight-6","date_modified":"2026-10-23"}],"climate_tags":["sea level rise","coastal management","climate change adaptation","infrastructure"],"geography_discussed":["Annapolis","Washington, D.C.","Atlantic City","Cape May","Savannah","Lewisetta","New London","Freeport","Rockport","Sabine Pass","Miami"],"frame_perspective":[],"analysis_type":["projection","impact assessment"]},{"id":"ucs-000597","url":"https://climateinsightsdirectory.org/document/ucs-000597","title":"Cómo el aumento del nivel del mar y las inundaciones de las mareas amenazan a las comunidades en las costas en los próximos 30 años","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"executive summary","language":"es","date_published":"2014-10","source_url":"https://www.ucs.org/sites/default/files/attach/2015/02/encroaching-tides-executive-summary_SPANISH_0.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report warns that tidal flooding will become chronic and disruptive for many US coastal communities by 2030 and 2045, necessitating urgent local adaptation and national carbon emission reductions.","ai_generated":true,"unit":"ucs-000597#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Global sea levels rose approximately eight inches between 1880 and 2009 due to thermal expansion of seawater and the accelerated melting of land ice caused by global warming.","ai_generated":true,"unit":"ucs-000597#insight-1","date_modified":"2026-10-23"},{"text":"By 2030, more than half of the 52 analyzed communities on the East and Gulf coasts are expected to experience an average of over 24 tidal floods per year, with two-thirds potentially seeing a tripling or more of their current annual flood frequency.","ai_generated":true,"unit":"ucs-000597#insight-2","date_modified":"2026-10-23"},{"text":"Specific high-risk areas include Annapolis, MD, and Washington, DC, which could average over 150 tidal floods annually by 2030, while parts of New Jersey may see 80 or more.","ai_generated":true,"unit":"ucs-000597#insight-3","date_modified":"2026-10-23"},{"text":"By 2045, one-third of the analyzed sites are projected to face more than 180 floods per year, with nine locations, including Atlantic City and Cape May, NJ, potentially experiencing 240 or more annual events.","ai_generated":true,"unit":"ucs-000597#insight-4","date_modified":"2026-10-23"},{"text":"Communities currently experiencing minimal flooding will see a significant increase by 2045; for example, New London, CT, may go from two annual floods to over 35, and some sites could see a tenfold increase.","ai_generated":true,"unit":"ucs-000597#insight-5","date_modified":"2026-10-23"},{"text":"The Gulf Coast is expected to see many new areas exposed to tidal flooding by 2045, specifically mentioning Freeport, Rockport, and Sabine Pass, TX, which could face 35 to 70 floods per year.","ai_generated":true,"unit":"ucs-000597#insight-6","date_modified":"2026-10-23"},{"text":"The document argues that while short-term sea level rise is largely guaranteed, long-term impacts can be mitigated if global carbon emissions peak and begin to decline by the end of the 2010s to keep warming below 2°C.","ai_generated":true,"unit":"ucs-000597#insight-7","date_modified":"2026-10-23"}],"climate_tags":["sea level rise","climate change adaptation","carbon dioxide emissions","coastal management","climate change"],"geography_discussed":["Annapolis","Washington, D.C.","New Jersey","Atlantic City","Cape May","New London","Freeport","Rockport","Sabine Pass","Savannah","Lewisetta","Ocean City","Myrtle Beach","Miami Beach"],"frame_perspective":[],"analysis_type":["projection","risk assessment"]},{"id":"ucs-000599","url":"https://climateinsightsdirectory.org/document/ucs-000599","title":"Encroaching Tides","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"report","language":"en","date_published":"2014-10","source_url":"https://www.ucs.org/sites/default/files/attach/2014/10/encroaching-tides-full-report.pdf#page=37","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report analyzes 52 tide gauges from Maine to Texas, projecting that by 2045, many U.S. East and Gulf Coast communities will face a ten-fold increase in tidal flooding. It argues that such flooding will disrupt daily life, damage infrastructure, and necessitate a coordinated national response combining local adaptation—such as elevating roads and restoring wetlands—with global carbon emission reductions.","ai_generated":true,"unit":"ucs-000599#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Tidal flooding is increasing in frequency along the U.S. East Coast, with some communities experiencing a fourfold increase in annual flooding days since 1970.","ai_generated":true,"unit":"ucs-000599#insight-1","date_modified":"2026-10-23"},{"text":"By 2030, more than half of the 52 analyzed communities on the East and Gulf Coasts are expected to average more than 24 tidal floods per year, with two-thirds of those communities potentially seeing a tripling or more in annual flood frequency.","ai_generated":true,"unit":"ucs-000599#insight-2","date_modified":"2026-10-23"},{"text":"By 2045, one-third of the analyzed locations are projected to average more than 180 tidal floods per year, and nine locations—including Atlantic City and Cape May, NJ—could average 240 or more.","ai_generated":true,"unit":"ucs-000599#insight-3","date_modified":"2026-10-23"},{"text":"Sea level rise is transforming 'nuisance' flooding into 'extensive' flooding; by 2030, tides alone are expected to cause extensive flooding in locations such as Lewisetta, VA, Cambridge, MD, Charleston, SC, Duck, NC, Kiptopeke, VA, Savannah, GA, and Vaca Key, FL.","ai_generated":true,"unit":"ucs-000599#insight-4","date_modified":"2026-10-23"},{"text":"The Gulf Coast faces particularly high rates of sea level rise, sometimes more than three times the global average, driven partly by land subsidence in regions from Mississippi to Texas.","ai_generated":true,"unit":"ucs-000599#insight-5","date_modified":"2026-10-23"},{"text":"Tidal flooding causes significant socio-economic disruption, including the closure of primary access routes, damage to homes and businesses, and the potential for declining property values and shrinking local tax bases.","ai_generated":true,"unit":"ucs-000599#insight-6","date_modified":"2026-10-23"},{"text":"Adaptation strategies are categorized into three main approaches: defending against the sea (e.g., seawalls, tide gates), accommodating rising water (e.g., elevating infrastructure), and retreating from the shoreline.","ai_generated":true,"unit":"ucs-000599#insight-7","date_modified":"2026-10-23"},{"text":"The report argues that local adaptation has fundamental limits; in some areas, physical, economic, or social thresholds will make structural defenses impossible or unaffordable, necessitating a planned retreat from the shore.","ai_generated":true,"unit":"ucs-000599#insight-8","date_modified":"2026-10-23"},{"text":"To slow the rate of sea level rise and make adaptation manageable, global carbon emissions must peak and begin to decline by the end of the decade to keep warming below 2°C.","ai_generated":true,"unit":"ucs-000599#insight-9","date_modified":"2026-10-23"}],"climate_tags":["sea level rise","coastal management","carbon dioxide emissions","climate change","green infrastructure","coastal erosion"],"geography_discussed":["Washington, D.C.","Miami","Q49231","Charleston","Atlantic City","Annapolis","Portland","Savannah","Baltimore","Boston","Philadelphia","Key West","Outer Banks","Tybee Island","Jamaica Bay","Lewes","Ocean City","Portsmouth","Bridgeport"],"frame_perspective":[],"analysis_type":["projection","impact assessment","policy recommendation"]},{"id":"ucs-000600","url":"https://climateinsightsdirectory.org/document/ucs-000600","title":"Encroaching Tides","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"report","language":"en","date_published":"2014-10","source_url":"https://www.ucs.org/sites/default/files/attach/2014/10/encroaching-tides-technical-appendix.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The report analyzes 59 tide gauges along the U.S. East and Gulf Coasts to project the impact of sea level rise on tidal flooding. Using an Intermediate-High scenario from the National Climate Assessment, the analysis finds that at least 40 locations will see a doubling of coastal flooding events by 2030, with the majority experiencing a 10-fold increase by 2045. Additionally, nearly half of the evaluated locations are projected to experience moderate coastal floods by 2045 from tides that currently only cause minor flooding.","ai_generated":true,"unit":"ucs-000600#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Under an Intermediate-High sea level rise scenario, at least 40 of the 59 investigated locations on the East and Gulf Coasts are projected to experience at least double the number of coastal flooding events by 2030.","ai_generated":true,"unit":"ucs-000600#insight-1","date_modified":"2026-10-23"},{"text":"By 2045, most of the evaluated locations are projected to see a 10-fold increase in the frequency of flooding.","ai_generated":true,"unit":"ucs-000600#insight-2","date_modified":"2026-10-23"},{"text":"Tidal floods are expected to increase in severity; by 2045, nearly 50% of the evaluated sites will experience moderate coastal floods from tidal fluctuations that currently only trigger minor floods.","ai_generated":true,"unit":"ucs-000600#insight-3","date_modified":"2026-10-23"},{"text":"The analysis utilized 59 NOAA National Ocean Service tide gauges, provided they had a defined minor flooding threshold and were available in the NOAA Inundation Analysis tool.","ai_generated":true,"unit":"ucs-000600#insight-4","date_modified":"2026-10-23"},{"text":"The study verified the accuracy of flooding thresholds by correlating Inundation Analysis events with Coastal Flood Advisories; 52 of the 59 gauges showed a correlation of 66% or higher.","ai_generated":true,"unit":"ucs-000600#insight-5","date_modified":"2026-10-23"},{"text":"Historical analysis of the Sewells Point tide gauge in Norfolk shows a roughly 5-fold increase in the number of days with flood events since the 1970s.","ai_generated":true,"unit":"ucs-000600#insight-6","date_modified":"2026-10-23"}],"climate_tags":["sea level rise","climate change scenario"],"geography_discussed":["Q49231","Myrtle Beach","Savannah","Jacksonville","Miami","Bay St. Louis","New York City","Boston"],"frame_perspective":[],"analysis_type":["projection","technical methodology"]},{"id":"ucs-000078","url":"https://climateinsightsdirectory.org/document/ucs-000078","title":"Sea level rise and global warming","publisher":{"name":"Union of Concerned Scientists","organization":"union-of-concerned-scientists"},"document_type":"fact sheet","language":"en","date_published":"2013-04-16","source_url":"https://www.ucs.org/resources/sea-level-rise-and-global-warming","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The document details how global average sea level has risen 8 inches since 1880, noting that the US East Coast and Gulf of Mexico are hotspots due to ocean current changes and land subsidence. It highlights the accelerating role of land ice melt—which contributed 75 to 80 percent of the total increase between 2003 and 2007—and asserts that future sea level rise will be primarily driven by the loss of ice sheets in Greenland and West Antarctica.","ai_generated":true,"unit":"ucs-000078#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"Global average sea level has risen 8 inches since 1880, but certain areas of the US East Coast and Gulf of Mexico have seen more than 8 inches of local rise in just the last 50 years. This regional acceleration is driven by land subsidence and changes in the strength and path of ocean currents.","ai_generated":true,"unit":"ucs-000078#insight-1","date_modified":"2026-10-23"},{"text":"The contribution of melting land ice (glaciers, ice caps, and ice sheets) to sea level rise has accelerated since the early 1990s. Between 2003 and 2007, land ice loss accounted for 75 to 80 percent of the total global sea level increase, adding nearly half an inch.","ai_generated":true,"unit":"ucs-000078#insight-2","date_modified":"2026-10-23"},{"text":"Future sea level rise is determined by heat-trapping emissions and the response of land ice. While emissions up to the present largely dictate rise through 2050, the long-term trajectory depends on the loss of ice sheets in West Antarctica and Greenland.","ai_generated":true,"unit":"ucs-000078#insight-3","date_modified":"2026-10-23"},{"text":"Sea levels will continue to rise for decades even if heat-trapping emissions were eliminated by 2016, as the oceans and land ice continue to adjust to existing atmospheric changes.","ai_generated":true,"unit":"ucs-000078#insight-4","date_modified":"2026-10-23"}],"climate_tags":["sea level rise","climate change","greenhouse gas emissions"],"geography_discussed":["East Coast of the United States","Gulf of Mexico","Greenland","West Antarctica"],"frame_perspective":[],"analysis_type":["scientific summary"]},{"id":"earjust-000084","url":"https://climateinsightsdirectory.org/document/earjust-000084","title":"Protecting And Rebuilding River Herring And Shad","publisher":{"name":"Earthjustice","organization":"earthjustice"},"document_type":"case study","language":"en","date_published":"2010-10-07","source_url":"https://earthjustice.org/case/east-coast-river-herring-and-shad-protection-efforts-challenged","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"Earthjustice is litigating against the National Marine Fisheries Service (NMFS) and fishery management councils to enforce the Magnuson-Stevens Act and prevent the regional eradication of river herring and shad caused by industrial overfishing.","ai_generated":true,"unit":"earjust-000084#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"River herring populations, including alewife and blueback herring, have experienced a population crash of over 90 percent since 1985, threatening the coastal ecosystem of the eastern seaboard.","ai_generated":true,"unit":"earjust-000084#insight-1","date_modified":"2026-10-23"},{"text":"Earthjustice is challenging the National Marine Fisheries Service's failure to manage river herring and shad as 'stocks' under the Magnuson-Stevens Act, which is intended to end overfishing and rebuild depleted stocks.","ai_generated":true,"unit":"earjust-000084#insight-2","date_modified":"2026-10-23"},{"text":"The Mid-Atlantic Fishery Management Council initially initiated Amendment 15 in June 2013 to recover fish populations through federal management, but the Council and federal agencies later voted to cancel the recovery plan.","ai_generated":true,"unit":"earjust-000084#insight-3","date_modified":"2026-10-23"}],"climate_tags":["biodiversity loss"],"geography_discussed":["New England"],"frame_perspective":[],"analysis_type":["legal analysis","case study"]},{"id":"commgmu-000210","url":"https://climateinsightsdirectory.org/document/commgmu-000210","title":"Climate Change Communication Guide","publisher":{"name":"Center for Climate Change Communication","organization":"center-for-climate-change-communication"},"document_type":"guide","language":"en","date_published":null,"source_url":"https://climatecommunication.gmu.edu/wp-content/uploads/2023/10/NPS-Climate-Change-Communication-Guide-Knowing-Interacting-with-Your-Audience.pdf","generator":"Climate Insights Directory","generated_fields":["summary","key_insights","climate_tags","geography_discussed","analysis_type"],"summary":{"text":"The guide equips National Park Service (NPS) staff to communicate climate change by segmenting the American public into six audience types based on their beliefs and motivations. It provides tailored communication tips for each group—ranging from the 'Alarmed' to the 'Dismissive'—and details specific climate impacts across ten U.S. bioregions to help staff create place-based narratives. The document emphasizes using local park stories and scientific consensus to motivate visitors toward climate action and energy conservation.","ai_generated":true,"unit":"commgmu-000210#summary","date_modified":"2026-10-23"},"key_insights":[{"text":"The American public is divided into six distinct audience segments regarding climate change: Alarmed (16%), Concerned (26%), Cautious (25%), Disengaged (5%), Doubtful (15%), and Dismissive (13%).","ai_generated":true,"unit":"commgmu-000210#insight-1","date_modified":"2026-10-23"},{"text":"Different audience segments require tailored communication strategies: 'Alarmed' visitors should be activated through action-oriented tips, 'Cautious' and 'Doubtful' visitors should be presented with the scientific consensus that over 97% of climate scientists agree human-caused climate change is occurring, and 'Dismissive' visitors should be engaged through polite discussion and examples of financial savings from energy conservation.","ai_generated":true,"unit":"commgmu-000210#insight-2","date_modified":"2026-10-23"},{"text":"Climate change is causing diverse regional impacts across ten U.S. bioregions, including the advancement of melt dates in Northern Alaska by 8 days since the 1960s, the most extreme multi-year drought in 500 years in Arid Lands, and a shift in migrant bird arrival dates to 13 days earlier on the Atlantic Coast.","ai_generated":true,"unit":"commgmu-000210#insight-3","date_modified":"2026-10-23"},{"text":"Climate change impacts the visitor experience through the redistribution of tourism as ideal climates shift to higher altitudes, increased coastal erosion affecting destinations, and the reduction of snowpack limiting winter activities like cross country skiing.","ai_generated":true,"unit":"commgmu-000210#insight-4","date_modified":"2026-10-23"},{"text":"Human health risks associated with climate change include increased heat-related illnesses, respiratory distress, and a higher prevalence of vector-borne illnesses such as West Nile Virus, dengue fever, and Lyme disease.","ai_generated":true,"unit":"commgmu-000210#insight-5","date_modified":"2026-10-23"}],"climate_tags":["climate change communication","biodiversity","coastal erosion","wildfire","sea level rise","public health","tourism industry"],"geography_discussed":["Alaska","East Coast of the United States","Gulf Coast of the United States","Pacific Coast","Hawaii","California","Yosemite National Park"],"frame_perspective":[],"analysis_type":["communication guide","impact assessment"]}]}