Floods News

March 9, 2025

Top Headlines

Flooding Expected Sooner in Hawai'i's Sinking Coastal Areas

Mar. 5, 2025 — Some parts of Hawai'i are sinking faster than others. That discovery also highlights that as sea level rises, the infrastructure, businesses, and communities in these low-lying areas are at risk of flooding sooner than scientists anticipated, ...

Coastal Erosion Threatens Ancient City, and Many Others

Feb. 20, 2025 — Research on the vanishing coastlines of Alexandria, Egypt, offers nature-based solutions for protecting coastal cities globally, including those in ...

Earth Scientists Study Sikkim Flood in India to Help Others Prepare for Similar Disasters

Jan. 30, 2025 — Experts from the global Earth science community have pieced together what happened during the massive Sikkim flood to try to help others prepare for similar ...

Antarctic Ice Sheet Faces 'Death by a Thousand Cuts'

Jan. 28, 2025 — Smaller calving events, not large icebergs, drive Antarctic ice sheet ...

Latest Headlines

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New Evidence Suggests Megaflood Refilled the Mediterranean Sea Five Million Years Ago

Jan. 21, 2025 — A new study provides compelling new evidence that a colossal 'megaflood' refilled the Mediterranean Sea, ending a period during which the Med was a ...

How Satellite Imagery Can Help Monitor Dangerous Lakes Formed by Glacier Surges Near High-Mountain Communities

Jan. 16, 2025 — A new study analyzing a lake formed by a glacier surge in the Karakoram Mountains has revealed how satellite images can be used to monitor the ...

Floods, Droughts, Then Fires: Hydroclimate Whiplash Is Speeding Up Globally

Jan. 9, 2025 — Hydroclimate whiplash -- rapid swings between intensely wet and dangerously dry weather -- has already increased globally due to climate change, with further large increases expected as warming ...

How We Classify Flood Risk May Give Developers, Home Buyers a False Sense of Security

Jan. 6, 2025 — Traditional methods of communicating how likely an area is to flood focus on designating which zones are 'high risk.' This study suggests that this ...

Floods Linked to Rise in US Deaths from Several Major Causes

Jan. 6, 2025 — Over the last 20 years, large floods were associated with up to 24.9 percent higher death rates from major mortality causes in the U.S. compared to normal conditions. A new study demonstrates the ...

Climate Extremes in 2024 'Wreaking Havoc' on the Global Water Cycle

Jan. 6, 2025 — 2024 was another year of record-breaking temperatures, driving the global water cycle to new climate extremes and contributing to ferocious floods and crippling droughts, a new report shows. The ...

Water and Forests in Southern US

Dec. 12, 2024 — Climate and land use change have and will continue to alter streamflow regimes and water quality through the 21st century, with consequences for drinking water treatment costs, flood protection, and ...

What Triggered Nepal's Catastrophic 2021 Flood -- And Could It Happen Again?

Dec. 4, 2024 — Heavy monsoon rainfall, excessive snowmelt and unstable terrain combined to cause the 2021 Melamchi Valley flood disaster in Nepal, according to new ...

Floods, Insufficient Water, Sinking River Deltas: Hydrologists Map Changing River Landscapes Across the Globe

Dec. 12, 2024 — A new study has mapped 35 years of river changes on a global scale. The work has revealed significant effects on both downstream (44% decrease in ...

Flood Disasters Associated With Preterm Births and Low Birth Weights

Dec. 10, 2024 — A new analysis of more than 3,000 studies from around the world reveals that globally, flooding increases preterm births by about 3%. Children who were in utero during a flood event are also more ...

Scientists Urged to Pull the Plug on 'Bathtub Modeling' of Flood Risk

Dec. 6, 2024 — Recent decades have seen a rapid surge in damages and disruptions caused by flooding. Experts call on scientists to more accurately model these risks and caution against overly dramatized reporting ...

Mangroves Save $855 Billion in Flood Protection Globally, New Study Shows

Dec. 5, 2024 — Mangroves have been shown to provide $855 billion in flood protection services worldwide, according to a new ...

Swelling Streams -- Climate Change Causes More Sediment in High-Mountain Rivers

Dec. 4, 2024 — Many high-mountain rivers in Asia transport more sediment downstream compared to a few years ago. Changes in sediment levels have a particularly strong impact on agriculture, water quality, flood ...

New AI Tool Generates Realistic Satellite Images of Future Flooding

Nov. 25, 2024 — With help from AI, scientists developed a method that generates satellite imagery from the future to depict how a region would look after a potential flooding ...

Climate-Driven Hazards Increases Risk for Millions of Coastal Residents, Study Finds

Nov. 21, 2024 — A new study estimates that a 1-meter sea level rise by 2100 would affect over 14 million people and $1 trillion worth of property along the Southeast Atlantic ...

Design and Imagination as Essential Tools During the Climate Crisis

Nov. 21, 2024 — Researchers advocate the use of imagination in tackling the climate crisis. They focus specifically on urbanizing river deltas, which are of great social and economic importance and highly vulnerable ...

How Flood Risk Affects Home Values

Nov. 19, 2024 — Houses for sale in a flood zone are around 10% cheaper than surrounding areas, according to new research. However, the reduced price tag is not worth the extra risk and can burden buyers with ...

Artificial Intelligence Can Be Used to Predict River Discharge and Warn of Potential Flooding

Nov. 19, 2024 — Researchers have created a method that uses artificial intelligence to more accurately predict short-term river discharge using historical data from two hydrometric stations on the Ottawa River along ...

Some of the World's Least Polluting Populations Are at Much Greater Risk of Flooding Fueled by Climate Change

Nov. 7, 2024 — A new study has exposed for the first time how inhabitants of the smallest countries globally, contributing least to climate change, already bear the brunt of its devastating consequences and the ...

Coastal Flooding During Hurricanes Helene and Milton Tracked

Oct. 29, 2024 — A web-based application that gathers crowdsourced data to identify flooding and inform policy in coastal communities provided scientists with essential data from hurricanes Helene and Milton. The app ...

Companies and Investors Can Now Get Smarter When It Comes to Nature

Oct. 28, 2024 — Amid growing pressure to report on nature-related risks and impacts, an open-source footprinting tool offers a scientific and transparent ...

Marshes Provide Cost-Effective Coastal Protection

Oct. 23, 2024 — Protecting and enhancing salt marshes in front of protective seawalls can significantly help protect some coastlines, at a cost that makes this approach reasonable to ...

A 'Worrying Confluence' of Flood Risk, Social Vulnerability and Climate Change Denial

Oct. 23, 2024 — In certain parts of the United States, especially Appalachia, New England and the Northwest, the ability of residents to prepare for and respond to flooding is being undercut on three different ...

AI-Trained CCTV in Rivers Can Spot Blockages and Reduce Floods

Oct. 9, 2024 — Smart CCTV systems trained to spot blockages in urban waterways could become an important future tool in flood prevention, new research has ...

Where Flood Policy Helps Most -- And Where It Could Do More

Sep. 30, 2024 — A Federal Emergency Management Agency (FEMA) program provides important flood insurance relief, researchers say. But due to its design, it's used more in communities with greater means to ...

Breakthrough Study Predicts Catastrophic River Shifts That Threaten Millions Worldwide

Sep. 19, 2024 — Researchers have uncovered key insights into the dangerous phenomenon of 'river avulsion,' offering a way to predict when and where rivers may suddenly and dramatically change ...

Over Two-Million Acres of Floodplain Development Occurred in U.S. in Last Two Decades, Study Finds

Sep. 13, 2024 — A nationwide analysis of community-level floodplain development found that over two-million acres of floodplain were developed over the past two decades across the United States, with roughly half of ...

Dams Built to Prevent Coastal Flooding Can Worsen It

Sep. 13, 2024 — The common practice of building dams to prevent flooding can actually contribute to more intense coastal flood events, according to a new study. By analyzing data and measurements from Charleston ...

Summer Storms Are Stronger and More Frequent Over Urban Areas

Sep. 10, 2024 — Summer storms are generally more frequent, intense and concentrated over cities than over rural areas, according to new, detailed observations of eight cities and their surroundings. The results ...

Deserts' Biggest Threat? Flooding

Sep. 9, 2024 — A new study has found that the increase in soil erosion in coastal areas due to desertification is worsening flood impacts on Middle Eastern and North African port cities. The researchers focused ...