Climate09/24/2026@ClimateDesk
Army Corps Unveils $10 Billion Plan to Wall Off Boston's Coast
United States Army Corps of EngineersBoston City Hall, 1, Congress Street, Government Center/Faneuil Hall, Downtown, Boston, Suffolk County, Massachusetts, 02201, United States
Starts 07/24/2026CONFIRMED 85% CONFIDENCE63 days agoStated 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."
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.
$10B
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
0.63
Festival09/24/2026@CityDesk
Boston Marks Evacuation Day's 250th Anniversary on Dorchester Heights
Boston National Historical ParkDorchester Heights National Historic Site, Thomas Park, Dorchester Heights, South Boston, Boston, Suffolk County, Massachusetts, 02127, United States
Starts 03/17/2026 3:00PMCONFIRMED 88% CONFIDENCE192 days agoStated as firm, per the National Park Service: "Tuesday, March 17 ... Ceremony: 11 a.m. - 1:30 p.m." (EDT, 15:00-17:30 UTC).^[1]
Reenactors, cannon fire and a mounted Washington marked 250 years since the British left Boston, at a newly restored Dorchester Heights Monument rededicated by the National Park Service.
0.60
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% CONFIDENCE25 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.
0.60
Justice09/24/2026@LawDesk
Judge Orders an End to the Guard's Months-Long LA Deployment
Phillip Burton Federal Building & United States Courthouse, 450 Golden Gate Avenue, San Francisco, CA 94102
Starts 12/10/2025CONFIRMED 80% CONFIDENCE289 days agoCalifornia DOJ release dated "Wednesday, December 10, 2025": the court "today" granted a preliminary injunction, stayed "until December 15, 2025".^[1]
Judge Charles Breyer granted California a preliminary injunction ending the continued federalization of the California National Guard troops still in and around Los Angeles, more than five months after they were sent.
0.59
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.
0.58
Infrastructure09/15/2026@BuildDesk
Consorzio Venezia Nuova Installs the Last of MOSE's 78 Flood Gates
Malamocco Inlet, Venice Lagoon, ItalyConsorzio Venezia Nuova
Starts 01/30/2019CONFIRMED 78% CONFIDENCE7.7 years agoWikipedia's^[4] MOSE article states the last of the 78 gates was put in place on 30 January 2019.
The consortium building Venice's MOSE flood-defence system put the last of its 78 mobile barrier gates into place across the lagoon's three inlets, nearly sixteen years after groundbreaking, though the system as a whole was still years from completion. Heavy-lift specialist Fagioli spent years floating and positioning the multi-tonne steel gates; individual gates were first raised in October 2013, and the first full test of all 78 followed on 10 July 2020.
0.58
Education09/24/2026@CityDesk
Boston School Committee Votes to Close Three More Schools by 2027
Boston Public SchoolsBruce C. Bolling Municipal Building (Boston Public Schools), 2300, Washington Street, Nubian Square, Roxbury, Boston, Suffolk County, MA, 02119, United States
Starts 12/17/2025CONFIRMED 90% CONFIDENCE282 days agoStated as firm, per Boston Public Schools^[1]: "December 17, 2025 - Boston School Committee will vote on the recommendations"; WBUR^[2] reports the 6-1 vote "at a meeting Wednesday evening" (17 December).
A 6-1 vote shuts the Lee Academy Pilot School, Another Course to College and the Community Academy of Science and Health after 2026-27, affecting about 800 students.
0.58
Climate09/15/2026@BuildDesk
Klamath River Dams Fully Removed
Iron Gate Dam, Siskiyou County, California, United StatesKlamath River Renewal Corporation
Starts 10/02/2024CONFIRMED 90% CONFIDENCE2.0 years agoHappened as dated, per the source^[1]: "The Klamath River restoration project completed the final work to remove the dams from the river".
Crews finished dismantling all four hydroelectric dams on the Klamath River in 2024, the largest dam-removal and river-restoration project in US history.
0.58
Education09/24/2026@CityDesk
Boston School Committee Votes to Close Four Schools and Merge Two
Boston Public SchoolsBruce C. Bolling Municipal Building (Boston Public Schools), 2300, Washington Street, Nubian Square, Roxbury, Boston, Suffolk County, MA, 02119, United States
Starts 03/20/2025CONFIRMED 91% CONFIDENCE1.5 years agoStated as firm, per Boston Public Schools^[2]' closures page: "March 20, 2025 - Boston School Committee vote on Winter 2025 Closure and Merger Proposals" (GBH: "a 5-1 vote Thursday night").
A 5-1 vote closed Excel High School, Community Academy, Mary Lyon Pilot High School and the Dever Elementary at the end of 2025-26, moving about 1,300 students.
0.58
Justice09/24/2026@LawDesk
Ninth Circuit Lets Trump Keep Control of the Guard in LA
US Court of Appeals 9 Circuit, 95 7th Street, South of Market, San Francisco, CA 94103
Starts 06/19/2025CONFIRMED 82% CONFIDENCE1.3 years agoThe order is headed "Filed June 19, 2025" after argument on June 17, 2025.^[1]
A unanimous Ninth Circuit panel stayed Judge Breyer's order, holding the President was likely to have lawfully federalized California's National Guard under a "highly deferential" review, so the troops stayed under federal command in Los Angeles.
0.57
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
0.57

Year 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".

Start: Dec 31, 202850% CONFIDENCEfrom the source

Army Corps Sends Boston's Final Flood-Protection Study to Congress

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.

After comments on the July 2026 draft closed on 18 September 2026, the final version of the study goes to Congress in 2028^[1]
The draft is described as a major milestone before the study is completed by 2028^[2]
Completion allows the City to access up to 65% federal cost-sharing for coastal resilience projects that would prevent an estimated $41 billion in damages^[3]
The baseline infrastructure to close all of Boston's coastal flood pathways is estimated at approximately $10 billion, with upgrades for harbour access extra^[3]
The Boston Green Ribbon Commission began a one-year study in June 2026 on how to fund the 35% non-federal share^[4]
The plan covers 16 miles of coastline across East Boston, Charlestown, Dorchester, Downtown/North End and South Boston, with Moakley Park as an early action^[1]

@ClimateDesk

References 474% 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]50%
boston.gov/news/plan-summary-boston-csrm
boston.gov· Posted Sep 24, 2026· Starts Dec 31, 2028 ✓· 30% of score
Year only, per boston.gov^[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".
[2]88%
Army Corps (USACE) Study Partnership
boston.gov· Published Sep 4, 2026· 28% of score
The City's study page: the 24 July 2026 draft is 'a major milestone before the study is completed by 2028'; comments closed 18 September 2026.^[1]
[3]88%
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· 23% of score
The Mayor's release: the study is 'projected to be completed by 2028' and unlocks up to 65% federal cost-sharing; about $10 billion baseline cost.^[1]
[4]75%
Boston Green Ribbon Commission to Develop Coastal Resilience Financial Blueprint
greenribboncommission.org· Published Jun 1, 2026· 19% of score
The Green Ribbon Commission's financing blueprint for the non-federal share of the USACE projects, launched ahead of the draft.

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Climate09/24/2026@ClimateDesk
Army Corps Unveils $10 Billion Plan to Wall Off Boston's Coast
United States Army Corps of EngineersBoston City Hall, 1, Congress Street, Government Center/Faneuil Hall, Downtown, Boston, Suffolk County, Massachusetts, 02201, United States
Starts 07/24/2026CONFIRMED 85% CONFIDENCE63 days agoStated 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."
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.
$10B
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
0.63
Festival09/24/2026@CityDesk
Boston Marks Evacuation Day's 250th Anniversary on Dorchester Heights
Boston National Historical ParkDorchester Heights National Historic Site, Thomas Park, Dorchester Heights, South Boston, Boston, Suffolk County, Massachusetts, 02127, United States
Starts 03/17/2026 3:00PMCONFIRMED 88% CONFIDENCE192 days agoStated as firm, per the National Park Service: "Tuesday, March 17 ... Ceremony: 11 a.m. - 1:30 p.m." (EDT, 15:00-17:30 UTC).^[1]
Reenactors, cannon fire and a mounted Washington marked 250 years since the British left Boston, at a newly restored Dorchester Heights Monument rededicated by the National Park Service.
0.60
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% CONFIDENCE25 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.
0.60
Justice09/24/2026@LawDesk
Judge Orders an End to the Guard's Months-Long LA Deployment
Phillip Burton Federal Building & United States Courthouse, 450 Golden Gate Avenue, San Francisco, CA 94102
Starts 12/10/2025CONFIRMED 80% CONFIDENCE289 days agoCalifornia DOJ release dated "Wednesday, December 10, 2025": the court "today" granted a preliminary injunction, stayed "until December 15, 2025".^[1]
Judge Charles Breyer granted California a preliminary injunction ending the continued federalization of the California National Guard troops still in and around Los Angeles, more than five months after they were sent.
0.59
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.
0.58
Infrastructure09/15/2026@BuildDesk
Consorzio Venezia Nuova Installs the Last of MOSE's 78 Flood Gates
Malamocco Inlet, Venice Lagoon, ItalyConsorzio Venezia Nuova
Starts 01/30/2019CONFIRMED 78% CONFIDENCE7.7 years agoWikipedia's^[4] MOSE article states the last of the 78 gates was put in place on 30 January 2019.
The consortium building Venice's MOSE flood-defence system put the last of its 78 mobile barrier gates into place across the lagoon's three inlets, nearly sixteen years after groundbreaking, though the system as a whole was still years from completion. Heavy-lift specialist Fagioli spent years floating and positioning the multi-tonne steel gates; individual gates were first raised in October 2013, and the first full test of all 78 followed on 10 July 2020.
0.58
Education09/24/2026@CityDesk
Boston School Committee Votes to Close Three More Schools by 2027
Boston Public SchoolsBruce C. Bolling Municipal Building (Boston Public Schools), 2300, Washington Street, Nubian Square, Roxbury, Boston, Suffolk County, MA, 02119, United States
Starts 12/17/2025CONFIRMED 90% CONFIDENCE282 days agoStated as firm, per Boston Public Schools^[1]: "December 17, 2025 - Boston School Committee will vote on the recommendations"; WBUR^[2] reports the 6-1 vote "at a meeting Wednesday evening" (17 December).
A 6-1 vote shuts the Lee Academy Pilot School, Another Course to College and the Community Academy of Science and Health after 2026-27, affecting about 800 students.
0.58
Climate09/15/2026@BuildDesk
Klamath River Dams Fully Removed
Iron Gate Dam, Siskiyou County, California, United StatesKlamath River Renewal Corporation
Starts 10/02/2024CONFIRMED 90% CONFIDENCE2.0 years agoHappened as dated, per the source^[1]: "The Klamath River restoration project completed the final work to remove the dams from the river".
Crews finished dismantling all four hydroelectric dams on the Klamath River in 2024, the largest dam-removal and river-restoration project in US history.
0.58
Education09/24/2026@CityDesk
Boston School Committee Votes to Close Four Schools and Merge Two
Boston Public SchoolsBruce C. Bolling Municipal Building (Boston Public Schools), 2300, Washington Street, Nubian Square, Roxbury, Boston, Suffolk County, MA, 02119, United States
Starts 03/20/2025CONFIRMED 91% CONFIDENCE1.5 years agoStated as firm, per Boston Public Schools^[2]' closures page: "March 20, 2025 - Boston School Committee vote on Winter 2025 Closure and Merger Proposals" (GBH: "a 5-1 vote Thursday night").
A 5-1 vote closed Excel High School, Community Academy, Mary Lyon Pilot High School and the Dever Elementary at the end of 2025-26, moving about 1,300 students.
0.58
Justice09/24/2026@LawDesk
Ninth Circuit Lets Trump Keep Control of the Guard in LA
US Court of Appeals 9 Circuit, 95 7th Street, South of Market, San Francisco, CA 94103
Starts 06/19/2025CONFIRMED 82% CONFIDENCE1.3 years agoThe order is headed "Filed June 19, 2025" after argument on June 17, 2025.^[1]
A unanimous Ninth Circuit panel stayed Judge Breyer's order, holding the President was likely to have lawfully federalized California's National Guard under a "highly deferential" review, so the troops stayed under federal command in Los Angeles.
0.57
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
0.57

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