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ucsshana.bsky.social

@ucsshana.bsky.social
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 29/09/2026
4/ These long dry spells, followed by short, intense precipitation events, are classic hydroclimate whiplash signals, a consequence of human-induced climate change, as our colleague Dr. Marc Alessi writes. Act now to protect NOAA/FEMA from Trump budget cuts: secure.ucs.org/a/2025-prote...
blog.ucs.org
“Hydroclimate Whiplash”: How Extreme Rainfall and Drought Are Linked
The same atmospheric conditions that cause droughts can also produce extreme rainfall. Marc Alessi explains the whiplash.
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 29/09/2026
3/ At the same time, many of these locations are also experiencing moderate to exceptional drought. Dallas had no measurable rain for 67 days (July 16th – September 20th), which is tied 2nd for consecutive days without measurable precipitation.
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 29/09/2026
2/ Remnants of Hurricane Polo will interact with a frontal system moving over the Southwest and Texas, bringing multiple inches of rain in the span of a few days over these areas. Flash Flood watches have been issued across a large swath of the country as a result.
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 29/09/2026
1/ A very active Eastern Pacific Hurricane season: 20 named storms, of which 9 became hurricanes & 7 major hurricanes, due to a strong El Niño on top of background human-induced climate change. Hurricane Polo (#17) has slammed Baja California and is heading to New Mexico/Texas this week.
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Union of Concerned Scientists @ucs.org · 24/09/2026
Write today and demand your members of Congress reject a liability shield for the fossil fuel industry. Take action: act.ucs.org/4iG87AS Learn more in our Decades of Deceit timeline: act.ucs.org/3TOOwEv
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Nahel Belgherze @wxnb.bsky.social · 24/09/2026
Unbelievable footage from NOAA’s Hurricane Hunters inside the eye of Category 5 Hurricane Polo. Simply incredible.
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Marc Alessi @marc-alessi.bsky.social · 24/09/2026
Fossil fuel companies knew about climate extremes decades ago and continued to profit off damaging our planet. Now they’re trying to avoid any liability in climate damages. Join @ucs.org's call for no immunity for Big Oil: secure.ucs.org/a/2025-congr...
secure.ucs.org
Tell Congress: No Immunity for Big Oil
Big Oil must not be let off the hook for its decades of deception and climate harms. Tell Congress to stand up to the Trump administration’s corporate giveaways.
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Marc Alessi @marc-alessi.bsky.social · 24/09/2026
The oceans are absorbing 92% of the excess heat to the climate system from the addition of heat-trapping pollutants to the atmosphere. Just last year, the ocean added ~24 ZJ of energy. That’s the equivalent of releasing about 12 Hiroshima bombs of heat into the ocean EVERY SECOND.
nature.com
Ocean heat content in 2025 - Nature Reviews Earth & Environment
As of 2025, the global full-depth ocean heat content (OHC) has risen by 481 ± 48 ZJ since 1960, with a pronounced increase of 24 ± 6 ZJ from 2024 to 2025. The highest elevations in OHC were measured i...
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Marc Alessi @marc-alessi.bsky.social · 24/09/2026
New Mexico has observed significant rainfall this week from some late-season monsoon moisture, a lot of it directly coming from the record-warm oceans near Baja California. While the rainfall is combatting drought conditions, too much at once is causing damage, an example of hydroclimate whiplash.
blog.ucs.org
“Hydroclimate Whiplash”: How Extreme Rainfall and Drought Are Linked
The same atmospheric conditions that cause droughts can also produce extreme rainfall. Marc Alessi explains the whiplash.
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Marc Alessi @marc-alessi.bsky.social · 24/09/2026
In the Northeast, we’re seeing an early-season Nor’easter develop in the Atlantic Ocean over significantly warmer-than-usual water, temps made 200x more likely due to fossil fuel-driven climate change, according to @climatecentral.org:
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Marc Alessi @marc-alessi.bsky.social · 24/09/2026
Right now, this extra moisture is supercharging storms across the planet. A tropical storm in the Pacific Ocean, Nolo, is tapping into record ocean heat and is expected to impact Hawaii over the next few days. The latest rainfall forecast from the @nhc-atlantic.extwitter.link includes feet of rain:
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Marc Alessi @marc-alessi.bsky.social · 24/09/2026
For the next year, we can expect to see precipitation and other weather extremes unlike anything we’ve seen before. Why? When the oceans are warmer, thanks to climate change and the developing El Niño, they release vast amounts of moisture into the atmosphere, which act as extra fuel for any storm.
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Marc Alessi @marc-alessi.bsky.social · 24/09/2026
The world’s oceans have overheated due to fossil fuel-driven climate change, and we’re seeing the impacts of it right now. In the US, there are 3 examples of extreme precip: a tropical system bringing torrential rain to Hawaii; heavy monsoon rains in NM; and a strong, early-season Nor’easter.
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Union of Concerned Scientists @ucs.org · 14/09/2026
This comes just days after new data from the US National Oceanic and Atmospheric Administration showed summer 2026 and August 2026 were the hottest on record in the United States.
ucs.org
Summer and August 2026 Set Heat Records, in Latest Alarming Climate Signal
Summer 2026 and August 2026 were the hottest on record in the United States, according to new data from NOAA, driven by climate change and a Super El Nino.
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Union of Concerned Scientists @ucs.org · 14/09/2026
All the while, taxpayers and consumers are being forced to take on costs of massive coal bailouts that will lead to higher costs, less reliable power and a worse climate and health.
blog.ucs.org
President Trump's Coal Bailouts Lock-In Higher Costs, Forestall Real Solutions
This piece originally was published by InsideSources on June 11, 2026. People and businesses nationwide are reckoning with rapidly rising electricity costs. Last year, 80 million people struggled ...
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Union of Concerned Scientists @ucs.org · 14/09/2026
Today's rollback comes amidst a vast array of harmful actions by the Trump administration that contribute to soaring electricity bills.
blog.ucs.org
Electricity Bills Are High. Trump Administration Policies are Set to Make them Soar.
On average, households are paying more than 5% than they did just one year ago, and in some states, 20 to 30% or more.
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Union of Concerned Scientists @ucs.org · 14/09/2026
Earlier this year, the EPA repealed the science-based Endangerment Finding, which established that global warming emissions endanger public health and the environment. UCS, alongside many other environmental, public health and science groups, challenged this in court.
ucs.org
UCS Joins Lawsuit Challenging Trump Administration’s Unlawful Endangerment Finding Repeal
UCS Joins Lawsuit Challenging Trump Administration’s Unlawful Endangerment Finding Repeal
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Union of Concerned Scientists @ucs.org · 14/09/2026
“These rulemakings are riddled with logical and factual inconsistencies, among the worst of which is the patently false argument that we have to choose between our health and our prosperity," says Dr. Rachel Cleetus, senior policy director at the Union of Concerned Scientists (UCS).
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Union of Concerned Scientists @ucs.org · 14/09/2026
Remember this: 1️⃣ Coal- and gas-fired power plants are the United States’ largest stationary source of such health-harming emissions. 2️⃣ Globally, the United States is the second-largest contributor of annual heat-trapping emissions, and the largest historical emitter.
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Union of Concerned Scientists @ucs.org · 14/09/2026
NEW: Today, in a cruel disregard for people's health, the Trump administration rolled back critical power plant carbon standards. The EPA is prioritizing fossil fuel industry profits while saddling the public with the costly, harmful consequences of carbon pollution. 🧵⬇️
ucs.org
“Cruel Disregard for People’s Health”—EPA Repeals Power Plant Carbon Standards, Proposes Eliminating Its Authority to Regulate Heat-trapping Emissions from Coal and Gas Plants
“Cruel Disregard for People’s Health”—EPA Repeals Power Plant Carbon Standards, Proposes Eliminating Its Authority to Regulate Heat-trapping Emissions from Coal and Gas Plants
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Union of Concerned Scientists @ucs.org · 01/09/2026
Join us tomorrow on our YouTube channel!
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Union of Concerned Scientists @ucs.org · 31/08/2026
World leaders must act urgently to cut heat-trapping emissions, hold fossil fuel companies accountable, and deliver climate finance for lower income nations coping with extreme disasters despite contributing the least to the climate crisis.
linkedin.com
#lossanddamage #climatejustice #nepalfloods #fillthefund #climatecrisis #climatefinance #makepolluterspay #himalayas | Fill The Fund
❤️‍🩹Heartbreaking scenes are emerging from Nepal 🇳🇵 Devastating flash floods and landslides—triggered by extreme monsoon rains and rapid glacial destabilization in the high Himalayas—have swept away ...
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Union of Concerned Scientists @ucs.org · 31/08/2026
If you are able, please consider donating to the Nepal Prime Minister’s Relief Fund pmdrf.nchl.com.np
pmdrf.nchl.com.np
Prime Minister Disaster Relief Fund – Government of Nepal
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Union of Concerned Scientists @ucs.org · 31/08/2026
Fossil-fueled climate change is causing glacial ice in the Himalayas to melt rapidly, raising the risks of these kinds of disasters.
icimod.org
Hindu Kush Himalaya glaciers losing ice at double the rate since 2000, new ICIMOD report confirm - ICIMOD
Kathmandu, 18 March 2026 – Glaciers across the Hindu Kush Himalaya (HKH) are melting at an accelerating rate, with ice loss rates doubling since the year 2000, according to two new landmark reports th...
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Union of Concerned Scientists @ucs.org · 31/08/2026
Scientists are still determining what exactly happened, but the likely cause of these floods was the breaking off of a gigantic part of a glacier that then led to an ice avalanche tearing through the valleys, carrying floodwaters, mud and debris and devastating communities in the path.
npr.org
A melting glacier contributed to the deadly Nepal floods. We can expect more like this
As the climate continues to warm, scientists warn that the frequency of disasters like the floods in Nepal will increase.
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Union of Concerned Scientists @ucs.org · 31/08/2026
The latest reporting on last week’s horrific floods in Nepal shows a mounting death toll and thousands of people still missing.
reuters.com
Rescuers battle floods and debris as Himalayan disaster death toll nears 800
In Nepal, rescue efforts ​have become more focused on hundreds of people believed to be trapped inside tunnels at hydropower plants damaged by the floods.
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Jeff Berardelli @weatherprof.bsky.social · 27/08/2026
A massive glacier collapse triggered the deadly #Nepal #Tibet disaster. Some background: The glaciers in this #Langtang region have lost ~41% of their area since ~1815 - and the rate of loss has increased 4X since the 1970s - as these high elevations warm roughly 2X as fast as the global average 1/
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WHO @who.int · 29/08/2026
WHO is on the ground in #Nepal, responding to the devastating flash floods delivering emergency care, and supplies where they are needed most.
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Zack Labe @zacklabe.com · 10/08/2026
We have very unfortunate news to share today... 😢 I've been an author for this report since 2020, and we just celebrated our 20th anniversary edition last year.
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ucsshana.bsky.social @ucsshana.bsky.social · 07/08/2026
The Senate has just confirmed Cameron Hamilton along party lines as #FEMA administrator, the first permanent appointment to the crucial position under this Trump administration. bit.ly/3RN953f
bit.ly
Senate Confirms Unqualified Cameron Hamilton to Lead FEMA - Union of Concerned Scientists
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 04/08/2026
A catastrophic global wildfire season is underway, while fossil fuel companies announce record profits and push for legislative immunity. Hear more from @ucs.org Policy Director Rachel Cleetus on fires in a changed climate.
blog.ucs.org
A World Ablaze: The Climate Future We Feared is Here - Union of Concerned Scientists
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Union of Concerned Scientists @ucs.org · 27/07/2026
Check out the article from @us.theguardian.com to learn how to protect yourself and your children from harmful emissions: act.ucs.org/4fiJo3p
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ucsshana.bsky.social @ucsshana.bsky.social · 22/07/2026
The record-shattering, deadly #heat dome followed 3 years of hottest global temps in recorded history thanks to fossil fueled-climate. Heat is deadliest climate impact in the U.S., particularly in cities' due to urban heat island effect. Too often, killer heat flies under the radar. bit.ly/4wcKCmJ
bit.ly
Fossil Fuels Are Heating America’s 250th Birthday   – World Weather Attribution
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Rep. Judy Chu @chu.house.gov · 22/07/2026
Now more than ever, I will keep pushing to pass my bipartisan Asunción Valdivia Heat Illness, Injury, and Fatality Prevention Act to establish guaranteed workplace heat protections in federal law. These protections will save lives, and I will always stand with our workers.
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Rep. Judy Chu @chu.house.gov · 22/07/2026
Hardworking Americans are dying from heat on the job, and Republicans are saying they don’t deserve basic protections to prevent it.
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Rep. Judy Chu @chu.house.gov · 22/07/2026
The people who keep our country running, from farmworkers to delivery drivers, often work under extremely hot conditions, risking heat stroke and, too often, their lives. These deaths are preventable with commonsense protections like rest, water, and shade.
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Rep. Judy Chu @chu.house.gov · 22/07/2026
But today, House Committee on Education and Workforce Republicans marked up their Heat Workforce Standards Act to prohibit the Secretary of Labor from enforcing a federal workplace heat stress standard. It's cruel and indefensible.
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David Ho @davidho.bsky.social · 03/07/2026
This heat wave brought to you by ExxonMobil and Chevron.
nytimes.com
Without Climate Change, U.S. Heat Wave Called ‘Virtually Impossible’
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 14/07/2026
4/ Congress: protect your constituents from extreme heat and other weather hazards made worse by fossil-fueled climate change.
secure.ucs.org
Protect NOAA and FEMA from Trump's Dangerous Budget Cuts
Tell Congress to reject any proposal that weakens the National Oceanic and Atmospheric Administration (NOAA) and the Federal Emergency Management Agency (FEMA). Weather forecasting, emergency prepared...
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 14/07/2026
3/ As a record “Super El Niño” gathers strength and the Trump administration continues to attack science-based tools and policy, protecting the public services that keep people safe and aware is crucial.
blog.ucs.org
Danger Season Is Here Again, with Triple the Danger for 2026
Climate change, harmful leadership, and an unaffordable cost of living loom large this Danger Season.
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 14/07/2026
2/ Alongside high electricity costs and demand, triple-digit extreme heat could elevate wildfire and drought risks in the already-dry West and northern plains, threatening the grid and agriculture. Those who need cooling to stay safe may struggle to access - or afford - it.
abcnews.com
100 million Americans expected to be under dangerous heat this week
From Los Angeles to Boston -- dangerous heat will impact more than 100 million Americans this week.
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 14/07/2026
1/ Forecasting from NOAA’s critical HeatRisk tool tells us a scorching heat wave is engulfing the western U.S and the upper Midwest. A heat dome has led to multiple new all-time record highs, and more fossil-fuel-driven heat is expected through the end of July.
cpc.ncep.noaa.gov
Climate Prediction Center
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 07/07/2026
Are you feeling the heat? 🥵🌡️ Summer's always been hot, but the summer that was is no more. But there are solutions. Read on... 🧵
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Union of Concerned Scientists @ucs.org · 17/06/2026
1/ It’s a dangerous week in climate for Texans and World Cup goers: both extreme precipitation and heat are threatening large areas, including match-hosting Houston and Dallas. Humid, hot conditions are driving up the heat index and “real feel” temps, which could top 115°F in places.
Alt description (for visually impaired users):
A color-coded weather map of Texas and nearby parts of the southern United States showing apparent temperature (heat index) values for the afternoon of Thursday, June 18, 2026, at 5 PM EDT.
The map uses a gradient scale at the top ranging from -10 to 130+ degrees Fahrenheit, with colors transitioning from light purple and blue (cooler) to yellow, orange, and deep red (extreme heat). Most of the map is shaded in orange to deep red, indicating very high heat index values.
Across Texas, the majority of cities are labeled with temperatures between 104°F and 115°F, with even higher values in the southern and coastal regions:

Central Texas (including Austin and surrounding areas): around 110°F to 113°F
Dallas–Fort Worth area: approximately 107°F to 109°F
East Texas: around 105°F to 110°F
West Texas: roughly 99°F to 108°F

The hottest area is South Texas, especially along the lower Rio Grande Valley:

Cities near the southern border show extreme values of 117°F to 122°F
These areas are shaded in the darkest red, indicating the highest heat index levels on the map

Along the Texas Gulf Coast, temperatures range from about 100°F to 108°F, slightly cooler than inland southern areas but still very hot.
Parts of neighboring states (such as Louisiana, Oklahoma, and New Mexico) are also visible, showing similar but slightly lower heat index values, mostly between 100°F and 110°F.
At the bottom of the image, text reads:

“Apparent Temperature valid at: Thu, Jun 18 2026, 5 PM EDT”
“National Digital Forecast Database”
“Issued: Jun 17 2026, 1:30 PM EDT”
NOAA and National Weather Service logos appear in the lower corners.

Overall, the map depicts widespread extreme heat conditions across Texas, with dangerous heat index values especially concentrated in the southern portion of the state.
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 17/06/2026
1/1 And this is why we call it “Danger Season”… Extreme weather threatens much of the interior US and Gulf Coast this week. Today’s weather happens in today’s changed climate -- changed mainly through fossil fuel use -- turning summer dangerous. Stay safe out there! (weather.gov)
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Union of Concerned Scientists @ucs.org · 11/06/2026
The Office of Management and Budget proposed restricting what research can be funded and allowing political appointees to block funding that conflicts with presidential priorities. This is “a new kind of institutional vandalism,” according to Dr. Melissa Finucane.
nytimes.com
Opinion | Trump’s Assaults on Scientific Research Just Got Worse
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 11/06/2026
3/ With oceans being pushed into hot, unprecedented territory, we need to defend NOAA, the key fed agency helping us monitor and understand these changes. Tell your members of Congress that science must be a non-negotiable priority:
tinyurl.com
Protect NOAA and FEMA from Trump's Dangerous Budget Cuts
Tell Congress to reject any proposal that weakens the National Oceanic and Atmospheric Administration (NOAA) and the Federal Emergency Management Agency (FEMA). Weather forecasting, emergency prepared...
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 11/06/2026
2/ The combo of fossil fuel-caused climate change and a potential super El Niño event makes a terrible team. Global temps could easily reach record levels this year and/or next. Check out Marc Alessi’s blog post on this:
tinyurl.com
Terrible Team: Super El Niño and Climate Change Could Lead to Record-Breaking Global Temperatures
The pairing could be bad news for our climate system.
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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 11/06/2026
1/ El Niño has officially developed in the eastern Pacific, according to NOAA. Per the Climate Prediction Ctr, there’s a 63% chance of this El Niño becoming very strong, or “super.”
tinyurl.com
El Nino forms, expected to strengthen, say NOAA forecasters
Prolonged period of above-average temperatures in the equatorial Pacific expected to peak this winter
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Union of Concerned Scientists @ucs.org · 22/04/2026
UCS’s Rachel Cleetus joined @eesionline.org’s podcast, The Climate Conversation, to discuss the risks posed by the upcoming summer months of Danger Season and what lawmakers must do to protect us as climate change intensifies. “We shouldn’t wait for a disaster to strike to act." #EarthDay:
eesi.org
11.5 Dire, Destructive, and Deadly: Everything You Need to Know About Danger Season | Podcast | EESI
Episode of The Climate Conversation podcast featuring Dr. Rachel Cleetus, policy director of the Climate and Energy program at the Union of…
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