Before you do anything else, you might want to explore coastal areas threatened by sea level rise…



NASA says that seas have risen since 1992 by 3 inches, with some locations rising more than 9 inches, and anticipates an unavoidable rise of several feet in the future.

Caused by four main factors, of which two are global (ice melting and warming waters that expand) and two are local (a slowing Gulf Stream and sinking land), the amount and speed of sea level rise varies by location.

The consequences are staggering, creating more dangerous and powerful hurricanes and storm surges, and resulting in more intense and frequent flooding, and devastation to coastal communities. In the United States, almost 40 percent of the population live in relatively high-population-density coastal areas, where sea level plays a role in flooding, shoreline erosion, and hazards from storms. You might be surprised to learn of the creation of ghost forests. 

You might also want to watch a 4-part PBS series Sinking Cities which takes a look into how four cities (Miami, London, Tokyo, & New York) — all at particular risk — are adapting.

Flood Factor has a fascinating site where you can explore your flood risk by entering an address.




U.S. high tide flooding breaks records in multiple locations

Coastal communities in three locations along the Atlantic and Pacific coasts saw record high tide flooding last year — a trend that is expected to continue into 2023 and beyond without improved flood defenses, according…

What is high tide flooding?

As relative sea level rises, it no longer takes a strong storm or a hurricane to cause coastal flooding. High tide flooding occurs when sea level rise combines with local factors to push water levels…

Sea Level Latest Measurements

Sea level rise is caused primarily by two factors related to global warming: the added water from melting ice sheets and glaciers and the expansion of seawater as it warms. The first graph tracks the…

Weather Report: Why Do the Seas Rise?

The phrases “climate change” and “sea level rise” nearly go hand in hand, particularly when discussed in coastal communities like Martha’s Vineyard. Many of the cliché images of global warming often involve the seas, whether…

Sea Level Trends

The sea level trends measured by tide gauges that are presented here are local relative sea level (RSL) trends as opposed to the global sea level trend. Tide gauge measurements are made with respect to…

Interactive map: How has local sea level in the United States changed over time?

Global sea level has risen between 6 and 8 inches (15-20 cm) over the last 100 years. About one third of the increase is due to the thermal expansion of ocean water as it has…

State Of The Beach Report

Greta is known for her famous speeches before world leaders. She recently spoke at COP 26 where delegates from around the world are charged with fulfilling goals of the Paris Agreement and the UN Framework…

Animation: Global Sea Level Change (1992-2017)

This animation shows how global sea levels have risen more than 80 millimeters (3.15 inches) over the past three decades, which is like covering the U.S. in about 4 meters (about 13 feet) of water…

Global Climate Change Vital Facts

Sea level rise is caused primarily by two factors related to global warming: the added water from melting ice sheets and glaciers and the expansion of seawater as it warms. The first graph tracks the…

Coming Storms: Climate Change And The Rising Threat To America’s Coastal Seniors

A new Climate Central sea-level-rise analysis identifies the assisted living and nursing homes at risk in five states. Experts say waiting to evacuate during storms is not the answer.

Science Empowering Communities In The Face Of Flooding

Surging Waters: Science Empowering Communities in the Face of Flooding is a report produced by AGU, a global not-for-profit scientific society dedicated to advancing the Earth and space sciences for the benefit of humanity.

Storm Surge Inundation Map

This story map illustrates historical hurricane tracks, strike frequency, and potential areas of coastal flooding and inundation from storms by combining the National Hurricane Center’s (NHC’s) hurricane strike dataset.

What is Digital Coast?

This NOAA-sponsored website is focused on helping communities address coastal issues and has become one of the most-used resources in the coastal management community. The dynamic Digital Coast Partnership, whose members represent the website’s primary…

Association of State Floodplain Managers

The mission of ASFPM is to promote education, policies and activities that mitigate current and future losses, costs and human suffering caused by flooding, and to protect the natural and beneficial functions of floodplains -…

Sea Level Rise Adaptation

Sea level rise is a slow-moving threat, but it demands immediate action. Global heating creates extreme hazards that cause significant harm to people, homes, infrastructure, and the environment. In California, we are already facing many…

The Great Flood of 2019: A Complete Picture of a Slow-Motion Disaster

This year’s flooding across the Midwest and the South affected nearly 14 million people, yet the full scale of the slowly unfolding disaster has been difficult to fathom. To visualize just how extensive it was,…

Going under: Long wait times for post-flood buyouts leave homeowners underwater

By the end of this century, as many as 13 million people in the United States will see their homes affected by sea level rise. Millions more who live, work, or travel through coastal or…

Understanding FEMA Flood Maps and Limitations

Flooding in the United States (U.S.) has cost over $1 trillion in inflation adjusted dollars since 1980 and represents more than 63% of the cost associated with all billion dollar or more natural disasters.1 It…

People truly need to understand the causes of sea level rise and the impact it has on our communities. By working together, we can develop smart solutions to protect against this ever-growing problem. Our communities can make…

Flood IQ

Flood iQ covers the East coast and the Gulf coast, and visualizes your risk of sea level rise flooding today and up to 15 years in the future. It is a web based application created…

NASA – Sea level change

Find a ton of information here on sea level, including news & features, a data analysis tool, a virtual earth system laboratory, and more.

Sea Level Rise Project

Climate Central's flagship sea level project allows you to search or navigate interactive maps to see areas below different amounts of sea level rise and flooding — down to neighborhood scale — matched with area timelines of…



The amount of Greenland ice that melted on Tuesday could cover Florida in 2 inches of water

By Rachel Ramirez   07/30/21  
Greenland is experiencing its most significant melting event of the year as temperatures in the Arctic surge. The amount of ice that melted on Tuesday alone would be enough to cover the entire state of…

Will Power is Key to Tackling the Ocean Plastic Crisis

By Tina Casey   07/28/21  
As Plastic-Free July draws to a close, the looming ocean plastic crisis is still growing by the day. However, there is light at the end of the tunnel. A new scientific study indicates that solutions…

Could A Surfside Building Disaster Happen On The NY Or NJ Coast?

By Lydia MCMullen-Laird   07/26/21  
Last week, search crews reached the bottom of the rubble at the Champlain Towers condo building site in Surfside, Florida, where at least 98 people perished due to a deadly collapse in June. The exact cause is still unclear,…

Opinion: We are fiddling while the world burns, floods and chokes

By Eugene Robinson  Photo: Mason Trinca , The Washington Post   07/22/21  
We are fiddling while the world burns. And floods. And chokes. And maybe even careens past some kind of unforeseen climate change tipping point that will make what are now extreme weather events devastatingly commonplace.

Floods Thrust Climate Change to Center of German Campaign as Toll Mounts

By Melissa Eddy and Steven Erlanger  Photo: Gordon Welters   07/18/21  
With more than 160 dead across the region, the receding waters revealed extensive damage as well as deep political divides around how far and fast Germans should go to stem carbon use.

Be Very Careful Where You Build That Seawall

By Matt Simon   07/14/21  
THINK BACK TO being a kid at the beach, building walls around your sandcastles. If you engineered those fortifications properly, the tide would come in and flow around your kingdom, before the walls eventually eroded away.…

What We Need to Learn from the Tragedy in Surfside

By Amy Davidson Sorkin  Illustration by João Fazenda   07/04/21  
Sara Nir was in her ground-floor apartment in Champlain Towers South, in Surfside, Florida, at around 1 a.m. on June 24th when, as she told CNN, she heard loud knocking noises. She went outside to…

A Space Laser Shows How Catastrophic Sea Level Rise Will Be

By Matt Simon  Photo: Adek Berry/getty Images   06/29/21  
An actual space laser is cruising 300 miles above your head right now. Launched in 2018, NASA’s ICESat-2 satellite packs a lidar instrument, the same kind of technology that allows self-driving cars to see in…

Before condo collapse, rising seas long pressured Miami coastal properties

By Joshua Partlow and others  Photo: Zack Wittman   06/26/21  
The 12-story condominium tower that crashed down early Thursday near Miami Beach was built on reclaimed wetlands and is perched on a barrier island facing an ocean that has risen about a foot in the…

‘The ocean is coming.’ A chieftess sees her islands sink

By Daniel Cusick  Photo: Francis Chung/E&E News   06/16/21  
We binya and ain gwine nowhey! De sea ain gwine be hiya den we." "We won't be leaving this land. We will rise and remain." — from Gullah/Geechee. The Gullah/Geechee Nation of the south Atlantic…

With Start of Hurricane Season, It’s Time to Consider Flood Insurance

By Ann Carrns   06/11/21  
This year’s hurricane season began early, with a named storm forming before the official start on June 1, and it is expected to be active. If you lack flood insurance, especially if you live near…

How Capturing Floodwaters Can Reduce Flooding and Combat Drought

By Liza Gross  Photo: George Rose/Getty Images   06/08/21  
Farmers toil at the mercy of nature’s whims, which can prove particularly vexing in California.  Even before climate change, bouncing between drought and deluge was routine in the Central Valley, the state’s richest farming region.…

Opinion: The Arctic’s ice is thinning faster than expected. It’s an ominous sign.

By Editorial Board  Photo by Brian Battaile/AP   06/06/21  
Polar Bears struggling on thin Arctic ice is perhaps the most iconic image associated with climate change. Human-caused global warming is extreme near the poles, where the temperature is rising much faster than elsewhere. The…

Rise in sea level caused $8 billion more damage from Hurricane Sandy, scientists say

By Associated Press  Photo: Mark Lennihan/AP   05/19/21  
Climate-change-triggered sea level rise added $8 billion in damage during 2012’s Hurricane Sandy, one of the United States’ costliest weather disasters, a new study says. During Sandy — a late-fall freak combination of a hurricane…

How flood protection can paradoxically put people at risk

By Aisling Irwin  Photo: Rish Agarwal / Unsplash   05/18/21  
Governments who build defences against rising seas can actually increase their citizens' risk of being flooded—if they fail to take account of the 'safe development paradox," according to a flood defence expert. Professor Jeroen Aerts,…

Hundreds of coastal airports at risk from flooding, sea-level rise, study finds

By YCC TEAM  Photo: David Stanley / Flickr   05/13/21  
From La Guardia Airport in New York to Kansai International Airport in Japan, hundreds of coastal airports are at risk of flooding during extreme weather. And as sea levels rise, even more will be vulnerable.…

If the Paris Agreement Fails, Sea Levels Could Rise 33 Feet

By Molly Taft  Photo: Chris Larsen (AP)   05/05/21  
If we keep on the path we’re on, Antarctica might be really, truly toast. A new study shows that the continent might hit a tipping point within this century if we don’t keep warming in…

How to prepare your coastal property for sea-level rise and weather extremes

By Jan Ellen Spiegel  Photo: Ann Tihansky , USGS   04/22/21  
People who live along the Atlantic seaboard are accustomed to dealing with environmental extremes: salt spray that can kill just about anything green; relentless wind that whips vegetation into Leaning Tower of Pisa shapes; sand,…

Rising Sea Levels Bring a Tidal Change to Tourism

By Richard J. Sima  Photo: Money, CC BY SA 4.0   04/22/21  
Climate change is causing ice caps to melt and sea levels to rise. And rising sea levels threaten to drown coastal tourist destinations. To imagine this possible future—and spur action to combat it—the team at Money created…

The value of US coral reefs for flood risk reduction

By Borja G. Reguero   04/15/21  
Habitats, such as coral reefs, can mitigate increasing flood damages through coastal protection services. We provide a fine-scale, national valuation of the flood risk reduction benefits of coral habitats to people, property, economies and infrastructure.…

As Flood Risk Grows, Experts, Elected Officials Call for More—and Smarter—Federal Action

By Matthew Fuchs and Brian Watts  Photo by Tom Williams   04/13/21  
Flooding is a growing problem across the U.S., from increasingly frequent and intense hurricanes and tidal flooding to seasonal inland events driven by more and heavier rains. As these disasters exact a mounting toll on…

Op-Ed: How to save beaches and coastlines from climate change disasters

By Michael W. Beck  Photo illustration by Nicole Vas   04/11/21  
The frequency of natural disasters has soared in recent decades. Total damage topped $210 billion worldwide in 2020. With climate change, the costs attributed to coastal storms will increase dramatically. At the same time, coastal…

Flood Risks Are Rising Amid Climate Change, But Congress Is Delaying Action

By Leanna First-Arai  Photo: Mario Tama , Getty Images   03/31/21  
The Biden administration is adding a $2 trillion green jobs and infrastructure plan to the list of climate commitments announced in its first 100 days, but pinpointing who will foot the bill for damage caused by rising seas and…

Tiny Town, Big Decision: What Are We Willing to Pay to Fight the Rising Sea?

By Christopher Flavelle  Photo by Erin Schaff   03/14/21  
Bobby Outten, a county manager in the Outer Banks, delivered two pieces of bad news at a recent public meeting. Avon, a town with a few hundred full-time residents, desperately needed at least $11 million…

Sea level rise up to four times global average for coastal communities

Coastal populations are experiencing relative sea-level rise up to four times faster than the global average—according to new research from the University of East Anglia.

Flood risk is growing for US homeowners due to climate change. Current insurance rates greatly underestimate the threat, a new report finds

By Drew Kann  Illustration: Renée Rigdon   02/22/21  
Wildfires and hurricane-force winds produce stunning videos and headlines, but flooding is the most common and costly natural disaster in the United States.

Warming Seas Are Accelerating Greenland’s Glacier Retreat

Greenland’s melting glaciers, which plunge into Arctic waters via steep-sided inlets, or fjords, are among the main contributors to global sea level rise in response to climate change.

Increasing Numbers of U.S. Residents Live in High-Risk Wildfire and Flood Zones. Why?

By Anuradha Varanas  Photo by Bryce Bradford   01/22/21  
The U.S. Federal Emergency Management Agency (FEMA) estimates that around 13 million Americans are living within a 100-year flood zone. But over the last few years, researchers have found that the government’s estimates are far…

Retreat Varies: California, Florida, and globally

By John Englander  Photo: Kenneth & Gabrielle Adelman   12/14/20  
Retreating from the coastline as sea level rises is one of the most sensitive topics. Homeowners, business leaders, bankers, and elected officials all want to put off the day of reckoning as long as possible.…

Sea level rise and coastal flooding threaten affordable housing

By Maya K Buchanan   12/01/20  
The frequency of coastal floods around the United States has risen sharply in recent decades, and rising seas point to further acceleration in both tidal (or 'nuisance') and extreme floods in the years ahead (Sweet et…

How climate change could spark the next home mortgage disaster

By Zack Colman  Photo: Josh Ritchie   11/30/20  
With its lively parks and colorful bungalows, Hialeah, Fla., has been the gateway to the American middle class for thousands of Cuban immigrants. Hialeah was the place where home ownership, an unattainable goal under the…

Moving a Costal Highway away from the rising sea

By Rosanna Xia   11/29/20  
Inside the state prison system’s Substance Abuse Treatment Facility in Kings County, David Cauthen has spent nearly five weeks on a hunger strike to protest what he sees as indifference and ineptitude by the California…

Rising waters threaten Great Lakes communities

By Alex Brown   10/03/20  
Along a shoreline that stretches farther than the combined length of the Atlantic and Pacific coasts, waters driven by climate change have risen as much as 6 feet in less than a decade, washing away…

“How long before my home goes underwater?”

By John Englander   09/21/20  
“Do I have 20 or 30 years before my property floods?” is a typical question I get at least once a week. The other day it was someone about a property in Ochlockee Bay, marked…

What country will disappear first…and the winner is….

By John Englander   08/10/20  
In the Atlantic, the iconic Bahamas with dozens of inhabited islands are home to almost 400,000 people. A study published by Columbia University, puts the Bahamas literally at the top of the list at risk from rising…

250 million coastal dwellers will face rising floods

By Tim Radford  Photo: Master Sgt Bill Huntington, USAF   08/06/20  
Once again, researchers confirm that coastal dwellers can expect worse floods, more often and more expensively. The post 250 million coastal dwellers will face rising floods appeared first on Climate News Network.

Flooding from sea level rise could cost our planet $14.2 trillion, study says

By Helen Regan   07/30/20  
If the world does nothing to mitigate sea level rise, coastal flooding will become so extreme and destructive that it could cause damage worth up to 20% of global gross domestic product by 2100, according…

Millions of Homeowners Who Need Flood Insurance Don’t Know It — Thanks to FEMA

By Lisa Song and Tony Briscoe  Photo: Nam Y. Huh/AP Photo   06/30/20  
When Michael Wilson was in the process of buying a brick bungalow on Chicago’s South Side in October 2018, he thought he had been diligent in researching the flood risk.

Rising Seas Threaten an American Institution: The 30-Year Mortgage

By Christopher Flavelle  Photo: Steve Helber/Associated Press   06/19/20  
Up and down the coastline, rising seas and climate change are transforming a fixture of American homeownership that dates back generations: the classic 30-year mortgage.

American Climate Video: The Creek Flooded Nearly Every Spring, but This Time the Water Just Kept Rising

By Katelyn Weisbrod   06/14/20  
Mike Crosley, a fifth generation member of the Santee Sioux tribe, never saw flood waters go higher than that mark, so he didn't believe that water from the nearby creek could possibly rise beyond that…


By Teju Hari Krishna  Photo by John O Nolan   06/11/20  
In contrast, researchers found there would be a significantly lower increase where effective steps are taken to reduce emissions and dependence on fossil fuels. In both scenarios, the largest increase in magnitude and frequency of…

Sea-level rise likely to swallow many coastal mangrove forests

By Jeff Masters   06/10/20  
Authors of a study reported June 5 used sediment cores from 78 sites on five continents to determine when mangroves first appeared over the past 10,000 years, as sea-level rise had slowed once Earth fully…

Will Miami Be Around in 2067?

By Jack E. Davis  Photo: Joe Raedle/Getty Images   06/09/20  
The prospects for Miami are grim, a scientist tells Mario Alejandro Ariza in his new book: “The water’s rise will be merciless and — geologically speaking — swift.” Ariza wishes there were a more favorable…

Mercer’s Famous Sea Level Forecast – 42 Years Later

By John Englander   05/26/20  
It was 42 years ago when the late glaciologist Dr. John Mercer made an ominous fifty year forecast about melting in Antarctica causing catastrophic sea-level rise. Because he was one of the first scientists to…

Human action will decide how much sea levels rise

By Tim Radford  Photo: Luke Moss on Unsplash   05/21/20  
Sea levels will go on rising, because of human action. By how much, though, depends on what humans do next.

US coasts face far more frequent severe floods

by Tim Radford  Photo: Beth Carey, via Wikimedia Commons   04/24/20  
For US coasts, high-water hazards have just become more hazardous: a lot more hazardous, say scientists. The post US coasts face far more frequent severe floods appeared first on Climate News Network.

Whatever Sea Level Rise Brings, NASA Will Be There

By Esprit Smith  Photo: K.L. McKee / U.S. Geological Survey   04/21/20  
if (typeof captions == 'undefined'){ var captions = []; } captions.push("The Mississippi River Delta contains vast areas of marshes, swamps and barrier islands - important for wildlife and as protective buffers against storms and hurricanes.…

Flooding Stunted 2019 Cropland Growing Season, Resulting in More Atmospheric Carbon Dioxide

By Robert Perkins  Photo: Caltech   04/02/20  
Severe flooding throughout the Midwest—which triggered a delayed growing season for crops in the region—led to a reduction of 100 million metric tons of net carbon uptake during June and July of 2019, according to…

Beaches Disappearing under Climate Change

By Peter Sinclair   03/02/20  
Almost half of the world’s sandy beaches will have retreated significantly by the end of the century as a result of climate-driven coastal flooding and human interference, according to new research.

Rising tides will leave no choice for US millions

Time and tide wait for no-one. As sea levels rise, the rising tides will become more impatient. Millions of Americans will have to migrate. The post Rising tides will leave no choice for US millions…