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OCCRI

@occri.bsky.social
2.9K followers 58 following 156 posts

The Oregon Climate Change Research Institute, established by the legislature in 2007, focuses on climate change and its effects on natural and human systems.

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OCCRI @occri.bsky.social · 8h
Please help us document impacts of the 2026 water year in WA, OR, and ID. This anonymous survey asks about effects of and responses to abnormally dry or wet conditions. Your responses will inform the Pacific Northwest Water Year Impacts Assessment. uwashington.qualtrics.com/jfe/form/SV_...
uwashington.qualtrics.com
2026 Water Year Impacts Survey
Water year 2026 has now ended! How was the Pacific Northwest (Washington, Oregon, or Idaho) impacted? The goal of this survey is to gather information about impacts that occurred and response actions...
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OCCRI @occri.bsky.social · 25/09/2026
And rounding out today's climate change news, summer vacations are becoming more challenging. www.nytimes.com/2026/09/25/t...
nytimes.com
How Climate Change Is Disrupting Summer Travel (Gift Article)
Once dismissed as occasional inconveniences, climate-related disruptions are now an inescapable fixture of summer travel. How will travelers respond?
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OCCRI @occri.bsky.social · 25/09/2026
Will all hail break loose in the future? High Country News explains. www.hcn.org/issues/58-10...
hcn.org
Hail is a multibillion-dollar problem — and could get worse - High Country News
At a Colorado cold lab, scientists race to better understand hail in a warming world.
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OCCRI @occri.bsky.social · 25/09/2026
www.nytimes.com/video/weathe...
nytimes.com
Video: How A.I. Is Reshaping the National Weather Service
Millions of Americans rely on their local weather forecasts, but as peak storm season approaches, have the Trump administration’s budget cuts made it harder to accurately predict the weather? Meteorol...
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OCCRI @occri.bsky.social · 08/09/2026
In case you missed it: Oregon Public Broadcasting spoke with state climatologist @larryoneill.bsky.social about the potential for a warm, soggy winter. For what it's worth, "It won’t take much for us to have a better snow season than we did last year.” www.opb.org/article/2026...
opb.org
Pacific Northwest faces another bad snow year thanks to ‘super El Niño’
Warmer-than-usual ocean waters could drive storms this way, increasing risk for flooding and landslides.
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OCCRI @occri.bsky.social · 01/09/2026
Nice explanation of the emissions scenarios for the seventh phase of the Coupled Model Intercomparison Project (CMIP7), which will replace the shared socioeconomic pathways (SSPs) in CMIP6: www.carbonbrief.org/explainer-th.... Lower bound of emissions increases, upper bound decreases.
carbonbrief.org
Explainer: The CMIP7 emissions scenarios – and how they explore future climate change - Carbon Brief
Every few years, climate modelling groups run a coordinated set of simulations that explore climate change in the future. Carbon Brief unpacks how the new scenarios were designed and how they differ.
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OCCRI @occri.bsky.social · 25/08/2026
"Even with a potential deluge of precipitation this winter . . . water reservoirs in the region are so depleted that there’s unlikely to be much carryover in water supplies into next year." Yesterday's PNW drought webinar with @larryoneill.bsky.social oregoncapitalchronicle.com/2026/08/25/n...
oregoncapitalchronicle.com
Northwest late summer days marred by historic drought, exacerbating wildfires • Oregon Capital Chronicle
Dwindling snowpack, record low streams, soil-moisture loss, depleted reservoirs are causing pain across Oregon, Idaho and Washington.
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OCCRI @occri.bsky.social · 24/08/2026
Will the return on cloud seeding be worth the investment and still-uncertain risks? New article explores the motivations and possible trade-offs. www.nytimes.com/2026/08/24/c...
nytimes.com
More Companies Are Promising Cloud Seeding Can Make Rain (Gift Article)
States are spending millions of dollars on cloud-seeding technology, backed by new data on its effectiveness — and driven by desperation for water.
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OCCRI @occri.bsky.social · 07/08/2026
Preparation for heat and smoke is becoming more critical to human health across Oregon and the Northwest, emphasizes recent New York Times article featuring Oregon's State Climatologist @larryoneill.bsky.social www.nytimes.com/2026/08/06/w...
nytimes.com
Wildfire Smoke Degrades Air Quality Across Washington and Oregon (Gift Article)
Air quality levels reached unhealthy levels across Oregon and Washington this week.
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OCCRI @occri.bsky.social · 24/07/2026
"As a result, the administration’s actions halted funding for hundreds of energy projects, including upgrades to electrical grids in states like California and Oregon." www.nytimes.com/2026/07/24/b...
nytimes.com
Trump Administration Admits Canceling Grants to States That Did Not Vote for Him (Gift Article)
Federal officials said in court documents that they halted billions of dollars in funding for energy projects to states “based solely” on whether they backed President Trump in the 2024 election.
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Reposted by OCCRI
Deepti Singh @climatechirper.bsky.social · 24/07/2026
How do scientists know if climate change made a heat wave, extreme storm or wildfire worse? theconversation.com/how-do-scien...
theconversation.com
How do scientists know if climate change made a heat wave, extreme storm or wildfire worse?
A National Academy of Sciences report examined the latest advances in extreme event attribution science. As four of the authors explain, the type of disaster makes a difference.
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OCCRI @occri.bsky.social · 19/07/2026
New National Academies consensus study on the extent to which extreme events can be attributed to climate change. www.nytimes.com/2026/07/16/c...
nytimes.com
Top Science Panel Backs Research Linking Extreme Weather to Climate Change (Gift Article)
Attribution science is advancing quickly, researchers said. That could support lawsuits seeking damages for severe events worsened by global warming.
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OCCRI @occri.bsky.social · 19/07/2026
Why are so many wildfires burning in Oregon, and what might the future hold? State climatologist @larryoneill.bsky.social, @occri.bsky.social director, and colleagues help to explain. www.nytimes.com/2026/07/18/u...
nytimes.com
What to Know About Fires Caused by Lightning in the Pacific Northwest
Dozens of fires ignited in Oregon and Washington as more than 14,000 lightning strikes hit the region during thunderstorms this week.
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OCCRI @occri.bsky.social · 26/06/2026
On 8 July, @NOAADrought will offer 2 media briefings, Intermountain West & CA-NV and Pacific Northwest & Missouri River Basin, on compound effects of severe drought, heat, and high wildland fire potential on diverse communities and economic sectors. See www.drought.gov/events/2026-....
drought.gov
2026 Western Drought Media Briefings | July 8, 2026 | Drought.gov
NOAA’s National Integrated Drought Information System (NIDIS), in partnership with NOAA’s National Centers for Environmental Information (NCEI) and National Weather Service’s Climate Prediction Center...
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OCCRI @occri.bsky.social · 11/06/2026
Register for the Pacific Northwest Drought Early Warning System's June Drought & Climate Outlook Webinar. Monday June 22 at 11:00 a.m. Pacific. conta.cc/4xl47KU
conta.cc
Join us June 22 for the Pacific Northwest Drought & Climate Outlook Webinar
Email from NOAA/NIDIS Get the latest conditions and outlooks Pacific Northwest DEWS National Integrated Drought Information System Drought.gov   Register for the Pacific Northwest Drought Early Warni
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OCCRI @occri.bsky.social · 11/06/2026
www.nytimes.com/2026/06/11/c...
nytimes.com
Democrats Once Vowed to Stop Oil and Gas. Now They’re Not So Sure.
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OCCRI @occri.bsky.social · 11/06/2026
Our excellent colleagues at Columbia Land Trust (www.columbialandtrust.org) seek a new executive director. Apply by 6 July. Details at potrerogroup.com/clt.
columbialandtrust.org
Land Conservation in Washington & Oregon | Columbia Land Trust
Columbia Land Trust protects and cares for for the land and waters of Oregon & Washington through conservation and restoration.
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OCCRI @occri.bsky.social · 14/05/2026
This year's snow drought unfortunately will strain many sectors and people across the western United States. www.drought.gov/drought-stat...
drought.gov
Snow Drought Current Conditions and Impacts in the West | May 14, 2026 | Drought.gov
NIDIS and its partners release these snow drought updates for the Western U.S. every 4 weeks from December through June.
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OCCRI @occri.bsky.social · 12/05/2026
Great insights by @climatechirper.bsky.social on how social and governance systems interact with atmospheric systems to influence El Niño's effects on people wapo.st/4d43jSC
wapo.st
A super El Niño wiped out millions of people in 1877. Are we better prepared now?
The climatic phenomenon is expected to return this year, but a lot has changed since what might have been the worst environmental disaster in human history.
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OCCRI @occri.bsky.social · 07/05/2026
www.oregonlive.com/hg/2026/05/o...
oregonlive.com
Oregon gardeners are adapting to climate change. Now, they’re learning to grieve what’s been lost
An OSU Extension workshop explores the psychological impact of climate change on gardeners and offers tools for processing grief while maintaining hope and connection to the land.
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Reposted by OCCRI
Larry O'Neill @larryoneill.bsky.social · 14/04/2026
In addition to Oregon having a historically low snowpack, it has also had one of the driest 12 month periods on its record. Since last April, Oregon has recorded its 5th lowest amount of precipitation received since 1895.
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Matthew Hurteau @mhurteau.bsky.social · 14/04/2026
I am hiring a new postdoc to work on an ecosystem modeling project with colleagues in hydrology, computer science, and the social sciences, including @mojisadegh.bsky.social If you want to do impactful work to understand the forest-water relationship, apply: www.hurteaulab.org/blog/ecosyst...
hurteaulab.org
Ecosystem modeling postdoc
The Earth Systems Ecology Lab ( www.hurteaulab.org ) at the University of New Mexico is recruiting a postdoctoral researcher with a strong background in ecosystem modeling or spatial data analysis to....
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OCCRI @occri.bsky.social · 12/03/2026
The Pacific Northwest is receiving precipitation, but little of it as snow. www.drought.gov/drought-stat...
drought.gov
Snow Drought Current Conditions and Impacts in the West | March 12, 2026 | Drought.gov
NIDIS and its partners release these snow drought updates for the Western U.S. every 4 weeks from December through June.
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OCCRI @occri.bsky.social · 12/03/2026
PRISM solar irradiance time series data are now available. Great news for many fields of inquiry. www.prism.oregonstate.edu/notices/noti...
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OCCRI @occri.bsky.social · 12/03/2026
www.drought.gov/news/new-noa...
drought.gov
New NOAA El Niño-Southern Oscillation Index Supports Drought Early Warning | March 11, 2026 | Drought.gov
The Oceanic Niño Index (ONI) has traditionally been NOAA's official measure, or index, to track the El Niño-Southern Oscillation (ENSO) climate pattern. In February, NOAA’s Climate Prediction Center a...
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OCCRI @occri.bsky.social · 03/03/2026
The National Weather Service will begin providing information about both likelihood and, for the first time, intensity of severe storms. wapo.st/4l3txqR
wapo.st
The Weather Service is updating its severe storm outlooks. What that means for you.
The agency is adding a “conditional intensity index” that predict how intense a storm might be.
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OCCRI @occri.bsky.social · 25/02/2026
A recording of February's Pacific Northwest Drought and Climate Outlook Webinar, including an overview of conditions from @larryoneill.bsky.social, is now available courtesy of our excellent colleagues at the National Integrated Drought Information System. www.youtube.com/watch?v=G6Md...
youtube.com
Pacific Northwest Drought Early Warning System February 2026 Drought & Climate Outlook
YouTube video by National Integrated Drought Information System
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OCCRI @occri.bsky.social · 18/02/2026
Next Monday at 11:00 a.m. Pacific: Pacific Northwest Drought and Climate Outlook Webinar, featuring Oregon State Climatologist @larryoneill.bsky.social and colleagues at NOAA and NRCS. Register at conta.cc/4tvUwPu
conta.cc
Join us February 23 for Pacific Northwest Drought & Climate Outlook Webinar
Email from NOAA/NIDIS Get the latest conditions and outlooks Pacific Northwest DEWS National Integrated Drought Information System Drought.gov   Pacific Northwest Drought Early Warning System February
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OCCRI @occri.bsky.social · 12/02/2026
Snow drought creates stress for sectors, organisms, and needs including but not limited to the ski industry, fishes, and electricity supply. bendbulletin.com/2026/02/11/o...
bendbulletin.com
Oregon snowpack at record low as Northwest faces deepening snow drought - The Bulletin
Oregon’s snowpack has fallen to its lowest level on record for this time of year, part of a broader snow drought gripping the Pacific Northwest and raising concerns about water […]
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OCCRI @occri.bsky.social · 12/02/2026
Despite likely storms in the coming weeks, @larryoneill.bsky.social and climatologists across the Pacific Northwest detail potential water scarcity during this year's growing season www.opb.org/article/2026...
opb.org
Oregon’s record low snowpack is not likely to recover, scientists say
Oregon is currently in the middle of a record-breaking snow drought for this time of year. If conditions don’t change, it could spell a challenging year ahead for cities, wildlife and farming.
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OCCRI @occri.bsky.social · 05/02/2026
Snow conditions currently are lousy across most of the western United States, but may improve later in February. www.drought.gov/drought-stat...
drought.gov
Snow Drought Current Conditions and Impacts in the West | February 5, 2026 | Drought.gov
NIDIS and its partners release these snow drought updates for the western U.S. every 4 weeks from December through June.
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OCCRI @occri.bsky.social · 05/02/2026
Is "regular winter weather" and a reprieve from snow drought in Oregon's future? State climatologist @larryoneill.bsky.social says there's a distinct possibility. www.opb.org/article/2026...
opb.org
Oregon’s on track to break low snowpack records, but there’s still hope for snow
Oregon is experiencing its lowest snowpack for this time of year. But that could change, as mountain areas are expecting snowfall this weekend, and low-lying valleys might see snow later this month.
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OCCRI @occri.bsky.social · 03/02/2026
What makes the Fire Program Analysis Fire-Occurrence Database (Short 2022) even better? An additional 270 attributes associated with each of the >2M wildfires it documents. Learn more about the augmented data, led by Yavar Pourmohamad and @mojisadegh.bsky.social, here: mailchi.mp/blm/friday-f...
mailchi.mp
Friday Flash – Fire Ignitions and Attributes Dataset
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OCCRI @occri.bsky.social · 01/02/2026
Snow drought in the western United States is the present. Is it also the future? www.nytimes.com/2026/02/01/s...
nytimes.com
Snow Drought in the West Reaches Record Levels
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OCCRI @occri.bsky.social · 29/01/2026
wapo.st/4riopkl
wapo.st
Trump’s biggest climate rollback stalls over fears it will lose in court
Trump officials have delayed finalizing the repeal of the agency’s “endangerment finding” over concerns the proposal is too weak to withstand a court challenge.
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OCCRI @occri.bsky.social · 23/01/2026
Thanks to the Joint Fire Science Program for highlighting this work led by our colleagues Yavar Pourmohamad and @mojisadegh.bsky.social on predicting where and when human-caused wildfire ignitions are most likely across the western United States. mailchi.mp/blm/friday-f...
mailchi.mp
Friday Flash – Modeling Human Ignitions
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OCCRI @occri.bsky.social · 18/01/2026
Oregon Climate Service director and state climatologist @larryoneill.bsky.social featured in this new podcast on Oregon's snow conditions and 2025 climate. soundcloud.com/oregonoutdoo...
soundcloud.com
Will Oregon's mountains get any more snow this winter? Plus, where did 2025 rank in terms of heat, rain?
In this episode, host Zach Urness talks with Oregon state climatologist Larry O'Neill about the state's lack of mountain snow and whether it's going to rally this winter. Then, they talk about where 2
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OCCRI @occri.bsky.social · 17/01/2026
A major step in marine conservation www.nytimes.com/2026/01/17/c...
nytimes.com
World’s First Treaty to Protect the High Seas Becomes Law
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OCCRI @occri.bsky.social · 16/01/2026
What's "snow water equivalent," and how does it affect Oregon's water supply? The USDA Northwest Climate Hub explains. www.climatehubs.usda.gov/hubs/northwe...
climatehubs.usda.gov
Snow Water Equivalent (SWE) — Its Importance in the Northwest | USDA Climate Hubs
Estimated reading time: 6 minutes Key points:
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OCCRI @occri.bsky.social · 12/01/2026
"The E.P.A. plans to stop tallying gains from the health benefits caused by curbing two of the most widespread deadly air pollutants, fine particulate matter and ozone, when regulating industry" www.nytimes.com/2026/01/12/c...
nytimes.com
E.P.A. to Stop Considering Lives Saved When Setting Rules on Air Pollution
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OCCRI @occri.bsky.social · 08/01/2026
Record Warmth, Rain Instead of Snow Intensifies Snow Drought Across the West. myemail.constantcontact.com/January-2026...
myemail.constantcontact.com
January 2026 Snow Drought Status Update
Email from NOAA/NIDIS Record Warmth, Rain Instead of Snow Intensifies Snow Drought Across the West Snow Drought Update   January 8, 2026 Snow Drought Status Update Record Warmth, Rain Instead of Snow
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OCCRI @occri.bsky.social · 07/01/2026
Oregon is in snow drought. Oregon State Climatologist @larryoneill.bsky.social discusses how much snow the state needs to avoid potential water shortages. capitalpress.com/2026/01/05/o...
capitalpress.com
Oregon sees snow shortage to start 2026, storm won’t solve problem | Capital Press
Oregon’ snowpack was poor to start the new year and while a significant storm the first week of 2026 could help, it won’t solve the shortage.
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OCCRI @occri.bsky.social · 05/01/2026
New open-access publication on prediction of wildfire occurrence across the western United States. Led by Yavar Pourmohamad with authors including @occri.bsky.social director Erica Fleishman and OCCRI research partners John Abatzoglou and Moji Sadegh. doi.org/10.1029/2025...
doi.org
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OCCRI @occri.bsky.social · 05/01/2026
Throughout this year, OCCRI will be developing the eighth Oregon climate assessment for release in early 2027. Would you like us to address particular topics that we haven't explored in the past? Post your comments below.
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OCCRI @occri.bsky.social · 19/12/2025
Doing right by wildland firefighters. www.nytimes.com/2025/12/19/u...
nytimes.com
U.S. Will Pay $450,000 to Wildfire Fighters With Cancer
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OCCRI @occri.bsky.social · 19/12/2025
State climatologist @larryoneill.bsky.social explains why atmospheric rivers may become more common in a warming climate. www.opb.org/article/2025...
opb.org
As climate changes, the PNW could experience stronger and more frequent atmospheric rivers
As the climate changes, atmospheric rivers hold more moisture, and that means more rainfall, according to Oregon's climatologist.
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OCCRI @occri.bsky.social · 15/12/2025
Did you miss December Pacific Northwest Drought & Climate Outlook webinar? A recording is now available: conta.cc/4iWwFDD
conta.cc
Recording Available: December Pacific Northwest Drought & Climate Outlook Webinar
Email from NOAA/NIDIS Get the latest conditions and outlooks Pacific Northwest DEWS National Integrated Drought Information System Drought.gov   Pacific Northwest Drought Early Warning System December
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OCCRI @occri.bsky.social · 11/12/2025
The West is fairly wet. Just not snowy. Learn more here: myemail.constantcontact.com/December-202...
myemail.constantcontact.com
December 2025 Snow Drought Status Update
Email from NOAA/NIDIS Winter Begins With Rain Instead of Snow; Snow Drought Takes Hold Across the West Snow Drought Update   December 11, 2025 Snow Drought Status Update Winter Begins With Rain Instea
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OCCRI @occri.bsky.social · 20/10/2025
OCCRI is playing a primary role in development of the Plan for a Resilient Oregon, led by Governor Kotek's office. Learn more about the Plan, including opportunities for participation, here: oregoncapitalchronicle.com/briefs/want-...
oregoncapitalchronicle.com
Want a say in Oregon’s natural disaster budget? New ‘resilience’ forum offers a chance • Oregon Capital Chronicle
Oregonians may soon have greater input in how the next statewide budget seeks to mitigate natural disasters.
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OCCRI @occri.bsky.social · 10/10/2025
Register for the Pacific Northwest Water Summit on 4 November in Boise, Idaho, and online. The event focuses on increasing drought and climate resilience across economic sectors that depend on the region's water supply. www.drought.gov/events/pacif...
drought.gov
Pacific Northwest Water Summit | November 4, 2025 | Drought.gov
The Pacific Northwest Water Summit, led by the Idaho Department of Water Resources and Boise State University, is a new iteration of the annual Idaho Fall Water Supply Meeting held each year to recap ...
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