Climate09/24/2026@ClimateDesk
Army Corps Sends Boston's Final Flood-Protection Study to Congress
United States Army Corps of EngineersBoston City Hall, 1, Congress Street, Government Center/Faneuil Hall, Downtown, Boston, Suffolk County, Massachusetts, 02201, United States
Starts 12/31/2028ESTIMATED 74% CONFIDENCEin 2.3 yearsYear only, per boston.gov^[1][2][3]'s plan summary: "The final version goes to Congress in 2028" - taken as the year's last day; the Mayor's release says the study is "projected to be completed by 2028".
The Army Corps of Engineers expects to finish its Boston coastal flood study and send the final report to Congress in 2028, the step that lets the city seek up to 65% federal funding for about $10 billion of floodwalls, berms and floodgates.
0.77
Infrastructure09/14/2026@BuildDesk
New York Harbor Storm Surge Plan
Rockaway Beach, Queens, New York, USAUS Army Corps of Engineers
Starts 12/31/2044ESTIMATED 67% CONFIDENCEin 18.3 yearsA target, per the source^[1]: if approved, "work would begin in 2030 and be completed by 2044"; as of now the plan "has not yet received final approval."
The US Army Corps of Engineers is advancing a $52.6BN plan of storm-surge gates, sea walls and levees around New York Harbor, after shelving a more radical $119BN 'mega sea wall' spanning the harbor mouth.
$52.6B
0.73
Infrastructure09/24/2026@BuildDesk
Ocean Beach Climate Adaptation Project Starts Major Construction
San Francisco Public Utilities CommissionOcean Beach Climate Change Adaptation Project, San Francisco, California, United States
Starts 12/31/2029DELAYED6 years late66% CONFIDENCEin 3.3 yearsMoved, per The Frisc^[1]: "the SFPUC^[2] has pushed back the start date another five-plus years to the end of 2029"; the SFPUC's project page: "the start date for major construction on the Ocean Beach Climate Change Adaptation Project is now anticipated for late 2029".
The SFPUC's project will bury a 3,200-foot seawall to protect the Lake Merced wastewater tunnel, remove the eroding Great Highway Extension between Sloat and Skyline and build a mile of seaside trail; its start has slipped from 2023-24 to late 2029.
$175M
0.63
Sports09/20/2026@BuildDesk
Foundation Work Begins on the Commanders' New Stadium at RFK
2400 East Capitol Street SE, Washington, D.C. 20003, United StatesWashington Commanders
Starts 04/01/2026CONFIRMED 90% CONFIDENCE176 days agoThe article states "Work on foundational infrastructure began in April 2026, with groundbreaking scheduled for early 2027", giving the month but not the day.^[1]
Work started on the foundational infrastructure for a 65,000-seat domed stadium on the old RFK Stadium site in southeast Washington, with the full groundbreaking held back to early 2027 and opening expected in 2030. The Commanders are putting up $2.7 billion towards a project projected at $3.8 billion; the District is spending $500 million on infrastructure and will own the building.
0.60
Marine09/20/2026@BuildDesk
The Houston Ship Channel's Project 11 Widening Finishes
Houston Ship Channel, Galveston Bay reach near Morgans Point, TexasPort Houston
Starts 12/31/2029ESTIMATED 63% CONFIDENCEin 3.3 yearsPort Houston's project page describes "expediting the process to complete the work in 2029", a year rather than a day, so it sits at the end of that year.^[1]
Project 11 widens the channel by 170 feet along its Galveston Bay reach, from 530 to 700 feet, and deepens upstream segments to 46.5 feet so the largest container ships can pass one another. Dredging began in 2022; Port Houston finished its own segments in October 2025 and the US Army Corps of Engineers is completing the rest, with the spoil building bird islands, marsh and oyster reef.
0.60
Law09/23/2026@LawDesk
Judge Rules Sable Offshore Needed Coastal Permits for Pipeline Repairs
Santa Barbara County Courthouse, 1100, Anacapa Street, Santa Barbara, Santa Barbara County, California, 93121, United StatesSable Offshore…
Starts 10/15/2025CONFIRMED 89% CONFIDENCE344 days agoStated as a completed event, per independent.com^[1]: "Late this past Wednesday afternoon, Anderle stuck to his tentative ruling" in an article dated Fri Oct 17, 2025.
Santa Barbara Superior Court Judge Thomas Anderle finalized his tentative ruling against Sable Offshore, holding that the company's repair work at 121 sites along its 135-mile Gaviota Coast pipeline required California Coastal Commission development permits and violated the Coastal Act. The ruling leaves intact the injunction halting further repairs and keeps the Commission's $18 million fine a live issue.
$18M
0.59
Energy09/22/2026@EnergyDesk
EBRD-backed remediation of Kyrgyzstan's Mailuu-Suu tailings dam
European Bank for Reconstruction and DevelopmentMailuu-Suu, Jalal-Abad Region, Kyrgyzstan
Starts 12/31/2030SCHEDULED 75% CONFIDENCEin 4.3 yearsGiven as scheduled, per the source^[1]: the remediation works agreement covers "seven years of remediation works" with a "contract scheduled completion date" of 31/12/2030.
A €23M EBRD-backed grant funds a seven-year project to relocate radioactive uranium tailings from Mailuu-Suu's most dangerous dam, away from the Fergana Valley's water supply.
€23M
0.59
Infrastructure09/24/2026@BuildDesk
Logan Closes Runway 9-27 for 75 Days to Finish Its Overrun Safety Bed
Massachusetts Port AuthorityLogan International Airport, 1, Harborside Drive, East Boston, Boston, Suffolk County, Massachusetts, 02128, United States
08/31/2026 - 11/13/2026SCHEDULED 77% CONFIDENCE24 days agoScheduled, per Massport^[1][5]: "Runway 9-27 will be closed, with only very limited availability, for 75 days starting August 31", "with work expected to be completed before Thanksgiving" - 75 days ends 13 November.
Massport shut Boston Logan's Runway 9-27 from 31 August 2026 for 75 days to finish an Engineered Material Arresting System, a crushable bed on a deck partly over the harbour that stops planes overrunning Runway 27.
0.59
Infrastructure09/15/2026@BuildDesk
Afsluitdijk's Storm-Proofing Upgrade Wraps Up in the Netherlands
Breezanddijk, Afsluitdijk, NetherlandsLevvel
Starts 06/01/2023ESTIMATED 64% CONFIDENCE3.3 years agoHappened as dated, per the source^[1]: "completed the work in 2023."
The Levvel consortium finished reinforcing the 32-kilometre Afsluitdijk sea wall with tens of thousands of custom concrete blocks so it can withstand a one-in-10,000-year storm.
$617M
0.59
Infrastructure09/14/2026@BuildDesk
Egypt New Delta Project
Wadi El Natrun, Beheira, Egypt
Starts 05/17/2026CONFIRMED 89% CONFIDENCE130 days agoHappened as dated, per the source^[1]: Egypt's president "officially inaugurated the New Delta project on May 17, 2026."
Egypt has inaugurated the $15BN New Delta project, moving recycled water across the desert to reclaim up to 2.2 million feddans of new farmland west of the Nile Delta.
$15B
0.58
Transport09/24/2026@BuildDesk
SANDAG Committee Votes to Seek Proposals for an Airport Rail Link
SANDAGSan Diego Association of Governments, 4th Avenue, San Diego, California 92101
Starts 09/18/2026 4:00PMCONFIRMED 86% CONFIDENCE6 days agoStated as firm: KPBS^[1] reports the committee "voted 6-2 in favor of Anderson's motion" at "Friday's meeting", and SANDAG's^[2][3] calendar lists the Transportation Committee on "Friday, September 18, 2026 9 a.m." (16:00 UTC).
SANDAG's Transportation Committee voted 6-2 to issue a request for proposals alongside a request for information for a trolley or people-mover link between downtown San Diego and the airport. Five concepts remain, with trolley options put at $1.2 billion to $1.9 billion.
0.58
Infrastructure09/14/2026@BuildDesk
Jakarta Sets September 2026 Groundbreaking for Its Giant Sea Wall
Jakarta Bay, Jakarta, Indonesia
Starts 09/30/2026ESTIMATED 70% CONFIDENCEin 6 daysEstimated: the January target was September 2026, but on 3 September 2026 CNN Indonesia^[2] reported Governor Pramono is "menunggu arahan dari pemerintah pusat" (awaiting the central government's direction) rather than confirming it, and on 20 August he said "Ini kan pemerintah pusat. Kita menunggu saja" when asked if it would go ahead in September.
Jakarta's government targeted September 2026 to break ground on its 19km stretch of a hybrid concrete-and-mangrove sea wall, part of a revised, roughly 500km national coastal defence plan that has replaced the earlier Garuda-shaped bird design.
0.58

Stated as fact, per boston.gov^[1][4][5]'s USACE partnership page: "On July 24, 2026, the U.S. Army Corps of Engineers released a draft report and opened the public comment period for their Coastal Storm Risk Management Feasibility Study."

Start: Jul 24, 202690% CONFIDENCEfrom the source

Army Corps Unveils $10 Billion Plan to Wall Off Boston's Coast

The Army Corps of Engineers' draft Boston Coastal Storm Risk Management study proposes more than 20 floodwalls, berms and floodgates along 16 miles of the city's 47-mile coastline, roughly $10 billion of work it says would prevent $41 billion in flood damage.

The US Army Corps of Engineers published its draft Coastal Storm Risk Management Feasibility Study for Boston on 24 July 2026, opening public comment until 18 September^[1]
Over 40 percent of Boston residents live in areas at risk of coastal flooding, and doing nothing could mean more than $54 billion in damage by the end of the century^[1]
The draft proposes over 20 projects along 16 miles of the 47-mile coastline to close 20 long-term flood pathways; the baseline infrastructure costs approximately $10 billion^[4]
USACE estimates the projects would prevent $41 billion in damage, about $4 saved for every $1 spent, and partnering lets Boston seek up to 65% federal cost-sharing^[4]
It covers East Boston, Charlestown, Dorchester, Downtown/North End and South Boston; the City objects to some wall routes, such as one through yards on Border Street in East Boston, and wants more nature-based design^[5]
The Army Corps plans to support the City's proposed design for Moakley Park as an early action^[5]
Trade coverage put the range at $9 to $10.5 billion for floodwalls, levees, berms and floodgates, one of the largest climate adaptation efforts proposed for a US city^[2]
The study unlocks access to billions in federal funding once complete^[3]

@ClimateDesk

Cost $10B

References 585% CONFIDENCE

The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.

[1]90%
boston.gov/departments/climate-resilience/climate-ready-boston-and-army-corps-partnership
boston.gov· Posted Sep 24, 2026· Starts Jul 24, 2026 ✓· 23% of score
Stated as fact, per boston.gov^[4][5]'s USACE partnership page: "On July 24, 2026, the U.S. Army Corps of Engineers released a draft report and opened the public comment period for their Coastal Storm Risk Management Feasibility Study."
[2]75%
Boston must consider $10.5B coastal protection plan to prevent $54B in future flood damage
canada.constructconnect.com· Published Sep 15, 2026· 22% of score
Trade press on the draft study: $9 to $10.5 billion, floodwalls, levees, berms and floodgates along 16 miles, $54 billion of losses without action.^[1]
[3]80%
Boston's $10B coastal resilience infrastructure plan wins access to billions in federal funding
smartcitiesdive.com· Published Jul 30, 2026· 19% of score
Independent coverage of the draft released 'last week': nearly $10 billion plan, 65% federal share, more than 20 projects on 16 miles, $41 billion of avoided damage.^[1]
[4]92%
Mayor Michelle Wu, US Army Corps of Engineers Announce Draft Plan to Protect Boston against Sea-Level Rise and Extreme Weather
boston.gov· Published Jul 21, 2026· 18% of score
The Mayor's release on the draft: over 20 projects on 16 miles of coastline, approximately $10 billion baseline cost, $41 billion of avoided damage, up to 65% federal cost share, comment period 24 July to 18 September.^[1]
[5]88%
Plan Summary: Boston CSRM
boston.gov· Published Jul 20, 2026· 18% of score
The City's summary of the draft: $9-10.5 billion cost range, five neighbourhoods covered, the City's objections to some floodwall placements, Moakley Park as early action.^[1]

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Climate09/24/2026@ClimateDesk
Army Corps Sends Boston's Final Flood-Protection Study to Congress
United States Army Corps of EngineersBoston City Hall, 1, Congress Street, Government Center/Faneuil Hall, Downtown, Boston, Suffolk County, Massachusetts, 02201, United States
Starts 12/31/2028ESTIMATED 74% CONFIDENCEin 2.3 yearsYear only, per boston.gov^[1][2][3]'s plan summary: "The final version goes to Congress in 2028" - taken as the year's last day; the Mayor's release says the study is "projected to be completed by 2028".
The Army Corps of Engineers expects to finish its Boston coastal flood study and send the final report to Congress in 2028, the step that lets the city seek up to 65% federal funding for about $10 billion of floodwalls, berms and floodgates.
0.77
Infrastructure09/14/2026@BuildDesk
New York Harbor Storm Surge Plan
Rockaway Beach, Queens, New York, USAUS Army Corps of Engineers
Starts 12/31/2044ESTIMATED 67% CONFIDENCEin 18.3 yearsA target, per the source^[1]: if approved, "work would begin in 2030 and be completed by 2044"; as of now the plan "has not yet received final approval."
The US Army Corps of Engineers is advancing a $52.6BN plan of storm-surge gates, sea walls and levees around New York Harbor, after shelving a more radical $119BN 'mega sea wall' spanning the harbor mouth.
$52.6B
0.73
Infrastructure09/24/2026@BuildDesk
Ocean Beach Climate Adaptation Project Starts Major Construction
San Francisco Public Utilities CommissionOcean Beach Climate Change Adaptation Project, San Francisco, California, United States
Starts 12/31/2029DELAYED6 years late66% CONFIDENCEin 3.3 yearsMoved, per The Frisc^[1]: "the SFPUC^[2] has pushed back the start date another five-plus years to the end of 2029"; the SFPUC's project page: "the start date for major construction on the Ocean Beach Climate Change Adaptation Project is now anticipated for late 2029".
The SFPUC's project will bury a 3,200-foot seawall to protect the Lake Merced wastewater tunnel, remove the eroding Great Highway Extension between Sloat and Skyline and build a mile of seaside trail; its start has slipped from 2023-24 to late 2029.
$175M
0.63
Sports09/20/2026@BuildDesk
Foundation Work Begins on the Commanders' New Stadium at RFK
2400 East Capitol Street SE, Washington, D.C. 20003, United StatesWashington Commanders
Starts 04/01/2026CONFIRMED 90% CONFIDENCE176 days agoThe article states "Work on foundational infrastructure began in April 2026, with groundbreaking scheduled for early 2027", giving the month but not the day.^[1]
Work started on the foundational infrastructure for a 65,000-seat domed stadium on the old RFK Stadium site in southeast Washington, with the full groundbreaking held back to early 2027 and opening expected in 2030. The Commanders are putting up $2.7 billion towards a project projected at $3.8 billion; the District is spending $500 million on infrastructure and will own the building.
0.60
Marine09/20/2026@BuildDesk
The Houston Ship Channel's Project 11 Widening Finishes
Houston Ship Channel, Galveston Bay reach near Morgans Point, TexasPort Houston
Starts 12/31/2029ESTIMATED 63% CONFIDENCEin 3.3 yearsPort Houston's project page describes "expediting the process to complete the work in 2029", a year rather than a day, so it sits at the end of that year.^[1]
Project 11 widens the channel by 170 feet along its Galveston Bay reach, from 530 to 700 feet, and deepens upstream segments to 46.5 feet so the largest container ships can pass one another. Dredging began in 2022; Port Houston finished its own segments in October 2025 and the US Army Corps of Engineers is completing the rest, with the spoil building bird islands, marsh and oyster reef.
0.60
Law09/23/2026@LawDesk
Judge Rules Sable Offshore Needed Coastal Permits for Pipeline Repairs
Santa Barbara County Courthouse, 1100, Anacapa Street, Santa Barbara, Santa Barbara County, California, 93121, United StatesSable Offshore…
Starts 10/15/2025CONFIRMED 89% CONFIDENCE344 days agoStated as a completed event, per independent.com^[1]: "Late this past Wednesday afternoon, Anderle stuck to his tentative ruling" in an article dated Fri Oct 17, 2025.
Santa Barbara Superior Court Judge Thomas Anderle finalized his tentative ruling against Sable Offshore, holding that the company's repair work at 121 sites along its 135-mile Gaviota Coast pipeline required California Coastal Commission development permits and violated the Coastal Act. The ruling leaves intact the injunction halting further repairs and keeps the Commission's $18 million fine a live issue.
$18M
0.59
Energy09/22/2026@EnergyDesk
EBRD-backed remediation of Kyrgyzstan's Mailuu-Suu tailings dam
European Bank for Reconstruction and DevelopmentMailuu-Suu, Jalal-Abad Region, Kyrgyzstan
Starts 12/31/2030SCHEDULED 75% CONFIDENCEin 4.3 yearsGiven as scheduled, per the source^[1]: the remediation works agreement covers "seven years of remediation works" with a "contract scheduled completion date" of 31/12/2030.
A €23M EBRD-backed grant funds a seven-year project to relocate radioactive uranium tailings from Mailuu-Suu's most dangerous dam, away from the Fergana Valley's water supply.
€23M
0.59
Infrastructure09/24/2026@BuildDesk
Logan Closes Runway 9-27 for 75 Days to Finish Its Overrun Safety Bed
Massachusetts Port AuthorityLogan International Airport, 1, Harborside Drive, East Boston, Boston, Suffolk County, Massachusetts, 02128, United States
08/31/2026 - 11/13/2026SCHEDULED 77% CONFIDENCE24 days agoScheduled, per Massport^[1][5]: "Runway 9-27 will be closed, with only very limited availability, for 75 days starting August 31", "with work expected to be completed before Thanksgiving" - 75 days ends 13 November.
Massport shut Boston Logan's Runway 9-27 from 31 August 2026 for 75 days to finish an Engineered Material Arresting System, a crushable bed on a deck partly over the harbour that stops planes overrunning Runway 27.
0.59
Infrastructure09/15/2026@BuildDesk
Afsluitdijk's Storm-Proofing Upgrade Wraps Up in the Netherlands
Breezanddijk, Afsluitdijk, NetherlandsLevvel
Starts 06/01/2023ESTIMATED 64% CONFIDENCE3.3 years agoHappened as dated, per the source^[1]: "completed the work in 2023."
The Levvel consortium finished reinforcing the 32-kilometre Afsluitdijk sea wall with tens of thousands of custom concrete blocks so it can withstand a one-in-10,000-year storm.
$617M
0.59
Infrastructure09/14/2026@BuildDesk
Egypt New Delta Project
Wadi El Natrun, Beheira, Egypt
Starts 05/17/2026CONFIRMED 89% CONFIDENCE130 days agoHappened as dated, per the source^[1]: Egypt's president "officially inaugurated the New Delta project on May 17, 2026."
Egypt has inaugurated the $15BN New Delta project, moving recycled water across the desert to reclaim up to 2.2 million feddans of new farmland west of the Nile Delta.
$15B
0.58
Transport09/24/2026@BuildDesk
SANDAG Committee Votes to Seek Proposals for an Airport Rail Link
SANDAGSan Diego Association of Governments, 4th Avenue, San Diego, California 92101
Starts 09/18/2026 4:00PMCONFIRMED 86% CONFIDENCE6 days agoStated as firm: KPBS^[1] reports the committee "voted 6-2 in favor of Anderson's motion" at "Friday's meeting", and SANDAG's^[2][3] calendar lists the Transportation Committee on "Friday, September 18, 2026 9 a.m." (16:00 UTC).
SANDAG's Transportation Committee voted 6-2 to issue a request for proposals alongside a request for information for a trolley or people-mover link between downtown San Diego and the airport. Five concepts remain, with trolley options put at $1.2 billion to $1.9 billion.
0.58
Infrastructure09/14/2026@BuildDesk
Jakarta Sets September 2026 Groundbreaking for Its Giant Sea Wall
Jakarta Bay, Jakarta, Indonesia
Starts 09/30/2026ESTIMATED 70% CONFIDENCEin 6 daysEstimated: the January target was September 2026, but on 3 September 2026 CNN Indonesia^[2] reported Governor Pramono is "menunggu arahan dari pemerintah pusat" (awaiting the central government's direction) rather than confirming it, and on 20 August he said "Ini kan pemerintah pusat. Kita menunggu saja" when asked if it would go ahead in September.
Jakarta's government targeted September 2026 to break ground on its 19km stretch of a hybrid concrete-and-mangrove sea wall, part of a revised, roughly 500km national coastal defence plan that has replaced the earlier Garuda-shaped bird design.
0.58

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