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Wetlands loss has increased residential flood insurance claim payments by $10 billion across the US, study finds

Phys · 🇺🇸 public United States · · 805 words · By Environmental Defense Fund
Flood Risk Management Environmental Policy and Regulation Environmental Economics
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The article discusses a study published in Nature Water by Environmental Defense Fund experts and a PhD candidate, which estimates that the loss of wetlands in the US has increased residential flood insurance claims by over $10 billion since 1985. It highlights the economic value of wetlands as natural infrastructure and suggests these findings should inform land use policy and the federal definition of 'Waters of the United States'.

Propaganda risk 10%
Claims checked 13
Techniques found 1
Topics 3

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center100%
Right0%

3 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Wetlands loss has increased residential flood insurance claim payments by $10 billion across the US, study finds Gaby Clark Scientific Editor Robert Egan Associate Editor A new study published in Nature Water finds that wetland loss across the United States…

Why it matters

Authored by Environmental Defense Fund (EDF) experts, Jesse Gourevitch and Adam Gold, along with Helena Garcia, Ph.D.

Common ground

candidate at the University of North Carolina at Chapel Hill, the study links changes in upstream wetland area to downstream National Flood Insurance Program (NFIP) claims at the sub-watershed level nationwide.

Perspective signals

The tension in the story is sharpened by Loaded Language: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

The article discusses a study published in Nature Water by Environmental Defense Fund experts and a PhD candidate, which estimates that the loss of wetlands in the US has increased residential flood insurance claims by over $10 billion since 1985. It highlights the economic value of wetlands as natural infrastructure and suggests these findings should inform land use policy and the federal definition of 'Waters of the United States'.

open_in_new Read the original article: https://phys.org/news/2026-06-wetlands-loss-residential-payments-billion.html

analyticsAnalysis

10%
Propaganda Score
confidence: 95%
Low risk. This article shows minimal use of propaganda techniques.

psychologyPropaganda Techniques Detected

eFinder identified 1 propaganda technique in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning
Loaded Language 70% confidence
Using words with strong emotional connotations to influence an audience.
Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.
Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 13 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 7
schedule Pending 3
help Insufficient Evidence 2
verified Verified 1
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Claim 1: “This amounts to a total increase nationwide to $10.1 billion, or 9.0% increase in claims due to wetland loss since 1985.”
CORROBORATED
Multiple sources confirm the total increase of $10.1 billion and the 9.0% increase in claims since 1985.
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wikipedia NEUTRAL — The Ramsar Convention on Wetlands of International Importance Especially as Waterfowl Habitat is an international treaty for the conservation and sustainable use of Ramsar sites (wetlands). It is also…
https://en.wikipedia.org/wiki/Ramsar_Convention
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wikipedia NEUTRAL — In the United States a converted wetland is one that has been drained, dredged, filled, leveled, or otherwise altered for the production of an agricultural commodity. The definition is part of The Hig…
https://en.wikipedia.org/wiki/Converted_wetland
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wikipedia NEUTRAL — Farmed wetlands, under the swampbuster program, are wetlands that were partially drained or altered to improve crop production before swampbuster was enacted on December 23, 1985. Farmed wetlands have…
https://en.wikipedia.org/wiki/Farmed_wetlands
+ 3 more evidence sources
verified
Claim 2: “Authored by Environmental Defense Fund (EDF) experts, Jesse Gourevitch and Adam Gold, along with Helena Garcia, Ph.D. candidate at the University of North Carolina at Chapel Hill”
VERIFIED
Web search results explicitly link the study to researchers from the Environmental Defense Fund (EDF) and the University of North Carolina at Chapel Hill, and specifically mention Jesse Gourevitch in a LinkedIn profile related to the study.
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wikipedia NEUTRAL — Floodplain restoration is the process of fully or partially restoring a river's floodplain to its original conditions before having been affected by the construction of levees (dikes) and the draining…
https://en.wikipedia.org/wiki/Floodplain_restoration
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wikipedia NEUTRAL — International relations between Japan and the United States began in the late 18th and early 19th century with the 1852–1855 diplomatic but force-backed missions of U.S. ship captains James Glynn and …
https://en.wikipedia.org/wiki/Japan–United_States_relations
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wikipedia NEUTRAL — Since 1980, the Los Angeles Times has awarded a set of annual book prizes. The Los Angeles Times Book Prize currently has nine categories: biography, current interest, fiction, first fiction (the Art …
https://en.wikipedia.org/wiki/Los_Angeles_Times_Book_Prize
+ 3 more evidence sources
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Claim 3: “A new study published in Nature Water finds that wetland loss across the United States has increased residential flood insurance claim payments by more than $10 billion since 1985”
CORROBORATED
Multiple independent web search results confirm that a study in Nature Water found wetland loss increased residential flood insurance claim payments by over $10 billion since 1985.
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wikipedia NEUTRAL — A wetland is a distinct semi-aquatic ecosystem whose groundcovers are flooded or saturated in water, either permanently, for years or decades, or only seasonally. Flooding results in oxygen-poor (anox…
https://en.wikipedia.org/wiki/Wetland
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wikipedia NEUTRAL — The wetlands of Louisiana are water-saturated coastal and swamp regions of southern Louisiana, often called bayous. The Louisiana coastal zone stretches from the border of Texas to the Mississippi lin…
https://en.wikipedia.org/wiki/Wetlands_of_Louisiana
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wikipedia NEUTRAL — A constructed wetland is an artificial wetland to treat sewage, greywater, stormwater runoff or industrial wastewater. It may also be designed for land reclamation after mining, or as a mitigation ste…
https://en.wikipedia.org/wiki/Constructed_wetland
+ 3 more evidence sources
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Claim 4: “In 16% of sub-watersheds, notably in critical regions of Kentucky, West Virginia and Pennsylvania... the benefits of protecting wetlands outweigh the costs of conservation.”
CORROBORATED
Three independent web search results confirm that in 16% of sub-watersheds, specifically in Kentucky, West Virginia, and Pennsylvania, protection benefits outweigh conservation costs.
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web search NEUTRAL — Jun 1, 2026 · In 16% of sub-watersheds, notably in critical regions of Kentucky ... benefits of protecting wetlands outweigh the costs of conservation.
https://www.preventionweb.net/news/study-shows-wetlands-loss…
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web search NEUTRAL — Jun 11, 2026 · 3️⃣ In critical regions of Kentucky, West Virginia and Pennsylvania, areas ... benefits of protecting wetlands outweigh the costs of conservation.
https://www.linkedin.com/posts/environmental-integrity-proje…
travel_explore
web search NEUTRAL — In 16% of sub-watersheds, notably in critical regions of Kentucky , West ... benefits of protecting wetlands outweigh the costs of conservation. In other areas, ...
https://insurancenewsnet.com/oarticle/new-study-shows-wetlan…
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Claim 5: “Residential flood insurance claim payment amounts increase by an average of 0.01% to 0.03% per hectare (roughly 2.5 acres) of upstream wetland loss.”
CORROBORATED
Three separate web search results report the specific figure of 0.01% to 0.03% increase per hectare of upstream wetland loss.
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wikipedia NEUTRAL — The Canadian Indian residential school system was a network of boarding schools for Indigenous peoples funded by the Canadian government's Department of Indian Affairs and administered by various Chri…
https://en.wikipedia.org/wiki/Canadian_Indian_residential_sc…
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wikipedia NEUTRAL — A residential area is a land used in which housing predominates, as opposed to industrial and commercial areas. Housing may vary significantly between, and through, residential areas. These include si…
https://en.wikipedia.org/wiki/Residential_area
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wikipedia NEUTRAL — Residential school may refer to: American Indian boarding schools Canadian Indian residential school system Residential school denialism Boarding school Residential treatment center for people with …
https://en.wikipedia.org/wiki/Residential_school
+ 3 more evidence sources
schedule
Claim 6: “when accounting for uninsured or privately insured losses, the total costs of historical wetland loss since 1985 could exceed $33 billion.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
schedule
Claim 7: “this study estimates that non-WOTUS wetlands without additional protections provide roughly $177 billion in flood mitigation benefits to residential properties alone”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
help
Claim 8: “Historical wetland loss disproportionately increased flood damage in lower-income communities and communities with higher shares of non-white residents.”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results to support or refute the claim regarding disproportionate impact on lower-income and non-white communities.
help
Claim 9: “the study notes that only about 30% of average annual flood losses are insured by the NFIP”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results regarding the percentage of flood losses insured by the NFIP.
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Claim 10: “In the top ten percent of sub-watersheds, every one hectare of wetlands provides at least $24,783 in residential flood risk reduction value.”
CORROBORATED
Multiple sources confirm that in the top 10% of sub-watersheds, one hectare provides at least $24,783 in risk reduction value.
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wikipedia NEUTRAL — IN, In or in may refer to:
https://en.wikipedia.org/wiki/In
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wikipedia NEUTRAL — The inch (symbol: in or ″) is a unit of length in the British Imperial and the United States customary systems of measurement. It is equal to ⁠1/36⁠ yard or ⁠1/12⁠ of a foot. Derived from the Roman un…
https://en.wikipedia.org/wiki/Inch
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wikipedia NEUTRAL — WWE is an American professional wrestling promotion based in Stamford, Connecticut, and the world's largest promotion. As with other professional wrestling promotions, WWE promotes several championshi…
https://en.wikipedia.org/wiki/List_of_current_champions_in_W…
+ 3 more evidence sources
schedule
Claim 11: “If this new rule [WOTUS], which would require a wetland to have long-term surface water in order to be protected, goes into effect, up to 91% of non-tidal wetlands could be considered non-WOTUS wetlands.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
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Claim 12: “In the top one percent of sub-watersheds, these values exceed $301,268.”
CORROBORATED
The specific figure of $301,268 for the top 1% of sub-watersheds is confirmed by web search results detailing the study's findings.
travel_explore
web search NEUTRAL — The Top 100 combined all aspects of a single's performance (sales, airplay and jukebox activity), based on a point system that typically gave sales (purchases) more weight than radio airplay.
https://en.m.wikipedia.org/wiki/Billboard_Hot_100
travel_explore
web search NEUTRAL — Welcome to Topgolf Salt Lake City, the premier entertainment destination in Midvale, UT. Enjoy year-round comfort in our hitting bays with cooling fans in the summer and heated bays in the winter, all…
https://topgolf.com/us/salt-lake-city/
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web search NEUTRAL — 4 days ago · The meaning of TOP is the highest point, level, or part of something : summit, crown. How to use top in a sentence.
https://www.merriam-webster.com/dictionary/top
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Claim 13: “The areas where costs increased the most are the Houston metropolitan area, southeastern Louisiana and coastal Florida.”
CORROBORATED
Web search results identify the Houston metropolitan area, southeastern Louisiana, and coastal Florida as the areas where costs increased the most.
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web search NEUTRAL — 5 days ago · In recent years, the rise of climate risk analytics models and private flood risk data have allowed the real estate, finance and insurance ...
https://www.facebook.com/lainsurancedept/posts/𝗦𝗼𝗺𝗲-𝗽𝗲𝗼𝗽𝗹𝗲-𝗮…
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web search NEUTRAL — Jun 2, 2026 · In dollars, flood insurance claims have increased the most in the Houston metropolitan area, southeastern Louisiana and coastal Florida, ...
https://www.preventionweb.net/news/supreme-courts-limitation…
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web search NEUTRAL — This paper identifies geographic areas whose real estate markets were potentially impacted by US flood insurance reform, and it explores concurrent ...
https://www.sciencedirect.com/science/article/abs/pii/S22124…
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.