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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 08/10/2026

The year: 1988. The company: Exxon. Their fear: “a worldwide consensus that action is needed” to mitigate the effects of greenhouse gases – with "substantial negative impacts" on business. Exxon responds by revving up a disinfo campaign like never before. New internal docs offer new insight 🧵

Scan of memo on manila background. Text reads as follows:
To: File
From: F. B. Sprow
Reference: 263.FBS
Date: November 23, 1988
Subject: F&D Concerning Greenhouse Effects
DRAFT
Importance: If a worldwide consensus emerges that action is needed to mitigate against Greenhouse gas effects, substantial negative impacts on Exxon could occur. Any additional R&D efforts within Corporate Research on Greenhouse should have two primary purposes: 1. Protect the value of our resources (oil, gas, coal). 2. Preserve Exxon's business options.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 06/10/2026

The Super El Niño is breaking charts as well as records, including Climate Reanalyzer's, which previously went to 30 degrees C but had to be updated today. SSTs in this part of the Pacific are in unprecedented territory - and rising - roughly two months before the typical El Niño peak.

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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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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 09/07/2026

📣 @ucs.org's Dr. Rachel Cleetus joins Ryann Blackshere Vargas and Dr. John Burroughs from the Lawyer’s Committee on Nuclear Policy on the #BackFromtheBrink #podcast. They explore what #climate diplomacy and #nuclear abolition can learn from each other. Available on Apple Podcasts and Spotify.

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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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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 25/06/2026

It's also the first time a court has established judicial oversight over corporate emissions anywhere in the world. It comes as Western Europe suffers from a record-breaking heatwave, highlighting the urgency of enforcing this ruling and exerting further pressure to curb emissions.

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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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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 03/06/2026

The latest wildfire outlook was just released and shows elevated risks across much of the western U.S. and upper Midwest in June.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 20/05/2026

While El Niño typically reduces hurricane activity in the Atlantic, it only takes one storm to make landfall for disaster to strike. In 1992, an El Niño year, Hurricane Andrew resulted in 65 deaths and caused $27.3 billion in damage in South Florida.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 14/04/2026

The heat lasting through the week will be especially difficult since people aren’t acclimated to such high temps so early in the year. Here’s the heat index forecast for Friday ⬇️ (Graphic from www.wpc.ncep.noaa.gov/heat_index_M...)

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 14/04/2026

Early spring is feeling a lot like summer with unseasonable heat blanketing much of the Eastern US this week. Dozens of cities from DC to Atlanta are forecast to break their daily high temperature records on Wednesday. 🧵👇 (National Temperature graphic: www.weather.gov/forecastmaps/)

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 08/04/2026

4. A third of the country is now in severe or extreme drought and 60 percent of the country is in some stage of drought.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 08/04/2026

2. An extreme, unprecedented, early-season heatwave in March was a major reason for the historically hot month, with dozens of cities from Oklahoma City to San Francisco smashing temperature records.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 08/04/2026

New @ucs.org public library displays for Earth Month 🌎highlighting the outsized role of fossil fuels companies in causing the climate crisis, and the need for #ClimateAccountability Check out the poster and recommended reading list for adults & kids: www.ucs.org/resources/in...

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 01/04/2026

California's surface reservoirs are filled for now, but state water managers warn that supply is all we have left to rely on during the coming dry season and call for conservation. (Plot from snow.water.ca.gov)

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 23/03/2026

This dangerous, prolonged heatwave has toppled over 150 daily temp records so far and around 50 monthly records, many by large margins. Fort Collins, CO, which hit 91⁰F, broke their previous March record by a full 10 degrees and topped even the record high for the month of April -- on March 21st.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 23/03/2026

Life in our changed climate from the burning of fossil fuels is on full display across much of the US as the unprecedented, early-season heatwave marches on and people endure temps 20 to 40⁰F above normal. x.com/NWSWPC/statu...

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 05/03/2026

This community-wide gap in understanding means that as many as 100 million more people will be affected by sea-level rise over the next century than previous estimates. The number especially increases drastically for Global South regions, particularly Southeast Asia. (Figure 4 from the study)

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 03/02/2026

Congrats to the Illinois Make Polluters Pay coalition on last week's kickoff rally in support of the state's newly introduced climate superfund bill. Despite the freezing temperatures, Chicago showed out in force to say #MakePollutersPay! 📸Photo credit: Vanessa Bly for NRDC @nrdc.org

A crowd stands in front of a building with a yellow and purple banner reading "Make Polluters Pay."

People pose for a photo holding handmade signs reading "Make Polluters Pay," "Make Big Oil Pay," "Pollution Hurts Real People," and "Big Oil Profits, Our Communities Suffer."

Three people hold a yellow banner with black text, with a painted on image of oil dripping from the top. It reads "Polluters Profit, Illinois Pays."

People hold a banner reading "Make Polluters Pay" over the edge of a bridge, with the water visible below. Street signs on the bridge read "Opera Bridge, Madison Street."

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 30/01/2026

Californians are no strangers to floods, fires, and extreme heat. We're paying the price with our health and from our pockets. 💸 ❤️‍🩹 Join us during #MakePollutersPay Week of Action to shift climate costs off people and onto Big Polluters. Write to state legislators: secure.ucs.org/a/2025-ca-ho...

Red background showing someone walking near flames. White and yellow text reads "19.8 million acres of burned forest land in the western U.S. and Canada between 1986-2021 can be attributed to heat-trapping emissions from 88 companies. Climate change is no accident. Make polluters pay."

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 29/01/2026

Climate change is no accident. Fossil fuel companies have known for decades that their products are causing harmful climate emissions and related impacts. It’s time to #MakePollutersPay! Learn more: www.ucs.org/resources/de... Join the Week of Action: actionnetwork.org/event_campai...

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 28/01/2026

We were proud to join Mainers at the State House yesterday for the #MakePollutersPay Climate Impacts Live Gallery, featuring photos and art that illustrate the impact of the climate crisis on Maine communities, livelihoods, and environment. Constituents spoke in favor of the Climate Superfund Act.

Around 20-25 people sit in a hearing room in the Maine State House. A person in a suit stands at a podium facing them.

People stand in the halls of the Maine State House, holding photos that show flooding damage in Maine. One person is holding a UCS sign reading "Climate change is no accident."

A person testifies at the Maine State House. Behind them stands a crowd of people holding photos showing climate damages in Maine, and a sign that says "Make Polluters Pay."

A photo is taken from above at the Maine State House. A crowd of people hold signs reading Make Polluters Pay. A colorful art piece in the front says "Climate Polluters Must Pay. Support Climate Superfund Act."

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 27/01/2026

📣 It’s time to #MakePollutersPay! For too long, fossil fuel companies have put profits over people, making billions while communities suffer from climate disasters. 🌎 Join the Week of Action to demand accountability & climate justice. Find an event near you! actionnetwork.org/event_campai...

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 26/01/2026

Today marks the start of the #MakePollutersPay Week of Action. People around the country are joining forces to hold the largest polluters accountable to pay their fair share of climate damages. 💥🔗 Learn more and join the Week of Action: actionnetwork.org/event_campai...

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 21/01/2026

These climate-related impacts are just another signal of our changing climate due to fossil fuel emissions. Check out the latest drought map and the Significant Wildland Fire Potential Outlook for February:

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 21/01/2026

Up north, temperatures will be below –20F for many locations in the Dakotas, Minnesota, and Wisconsin. Here’s the latest forecast from the NWS for Friday night:

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 21/01/2026

Life-threatening extreme cold will also be a big part of the story: below zero temperatures will make their way into Kansas and Oklahoma Saturday night, with single digits reaching as far south as Central Texas. Here’s the NWS temperature forecast for Saturday night:

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 21/01/2026

We’re following a likely significant winter storm this weekend across a large swath of the United States. The National Weather Service is forecasting heavy snow and freezing rain for many locations that don’t typically see this type of dangerous weather. Check out the latest #NWS graphic:

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 14/01/2026

📣: Make sure you listen to the newest Evidence Based Birth® podcast episode! UCS Climate Policy Advocate Alicia Race talked about the impact of extreme weather on pregnancy with Dr. Dekker. Listen to episode 383 here: bit.ly/4pF2V00 #EvidenceBasedBirth #EBBirth #EBBPodcast #DangerSeason

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 14/01/2026

"Peace and Climate Circle: Regional Perspectives on the Interconnection between Militarization and Climate Justice in the Caribbean" event in San José, Costa Rica on January 14th, 2026. Register for Livestream: us02web.zoom.us/webinar/regi...

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 05/01/2026

This is the first time that a court in Switzerland has ruled a climate lawsuit against a large corporation admissible, representing an important step for the growing consensus across courts around the world that polluters can have legal responsibility for their emissions. #MakePollutersPay

Two people stand in front of a Holcim plant. One holds a sign reading "Your emissions sink us. Holcim, you must be responsible for your emissions." The other holds a sign reading "Climate justice for Pari Island."

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 17/11/2025

Today at #COP30! Tune in at 11:30 am ET to hear from US experts like UCS' Rachel Cleetus on what's needed in the final week of negotiations to ensure a successful outcome + demands of Afrodescendants & how COP30 connects with power building back home. Livestream: unfccc.int/event/us-cli...

Blue and tan press briefing flyer that says: Press briefing, Is COP30 Bending the Arc Towards Justice? An Honest Assessment by U.S. Civil Society. Panelists will provide observations on what is needed during the second week of COP30 to ensure a successful outcome. Speakers will also comment on the demands of Afrodescendants and the lack of access to civil society inside the Blue Zone, and how COP30 connects with power building back home in the United States. Moderator: Analyah Schlaeger dos Santos, Minnesota Power and Light, Youth N' Power and Shift US. Rachel Cleetus, senior policy director, Union of Concerned Scientists. Gemma Gutierrez, global climate justice campaigns apprentice, Youth N' Power. Cheryl Kwapong, senior project manager, The Chisholm Project; Co-Secretariat, Global Afrodescendants Climate Justice Collaborative. Brandon Wu, director of policy and campaigns, ActionAid USA. Monday, November 17. 1:30pm Belem, 11:30 am New York, 8:30 am LA. COP30 Blue Zone, Press Conference Room 2, Area D.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 28/10/2025

Hurricane Melissa has made landfall in Jamaica as a powerful Category 5 hurricane with 185 mph sustained winds. It will tie the strongest hurricane to make landfall in Atlantic recorded history based on central pressure. Follow the latest forecast here: www.hurricanes.gov

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 24/10/2025

Hot water is hurricane fuel and the Caribbean is HOT. According to Climate Central, the warmer-than-usual ocean surface temperature below Melissa is 700x more likely due to human-caused #ClimateChange. When there’s more fuel, any hurricane can strengthen further and for a longer period of time.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 24/10/2025

#Melissa is slowly continuing its journey across the Caribbean Sea and is expected to strengthen into a hurricane by tomorrow and reach major hurricane strength by Sunday, posing a significant threat to Haiti, Jamaica, Cuba and the Dominican Republic. For the latest, check out www.hurricanes.gov.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 23/10/2025

Nearly half of the nation’s affordable housing stock experienced three or more weeks’ worth of extreme heat alerts in 2024, the hottest year on record, as the affordable housing and climate crises increasingly collide.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 23/10/2025

📢NEW: @ucs.org finds that most of the nation’s affordable homes were in counties exposed to 1 or more weeks’ worth of heat alerts in 2024. Major metropolitan areas account for about 1/3 of the affordable housing exposed and thousands of counties in less densely populated areas account for ~2/3.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 22/10/2025

The fingerprint of climate change is everywhere here. According to Climate Central’s Climate Shift Index, human-caused climate change made the warm-than-usual waters under Melissa 600 times more likely. csi.climatecentral.org/ocean

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 22/10/2025

Given how slow the storm is moving, there is the potential for significant flash flooding in Jamaica, Haiti, and the Dominican Republic. Some forecasting models predict over 12 inches of rain for these countries. Here’s the latest rainfall forecast from the National Hurricane Center through Sunday:

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 22/10/2025

The latest forecast from the National Hurricane Center has Tropical Storm Melissa slowly strengthening throughout the week as it moves very slowly to the northwest. For more information on the forecast for Melissa, head to www.hurricanes.gov.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 21/10/2025

Today's rally @ the MA State House in support of the climate superfund bill (H.1014/S.588) featured powerful art showing what's at stake in the movement for #ClimateJustice. We called on our legislators to #MakePollutersPay for their share of adaptation costs in the climate crisis they helped cause.

Rally in front of the Massachusetts State House. Attendees are holding a banner reading, "Legislators: Which Path Will You Take?" In one direction painted signs show negative climate impacts, in the other direction signs show green trees and birds. A large banner in the background says "Make Polluters Pay."

Rally in front of the Massachusetts State House. Attendees are holding a banner reading, "Legislators: Which Path Will You Take?" In the background is a banner reading "Make Polluters Pay Massachusetts." A person stands at the front speaking into a microphone, wearing a shirt reading "Make Polluters Pay."

Next to a crowd rallying on the steps of the Massachusetts State House, a giant inflatable black oil barrel is attached to ropes and held aloft by four people. Black streamers representing oil pour out of one side. Yellow letters on the side of the barrel read "Make Polluters Pay!"

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 10/10/2025

When oil and gas companies claim to be "part of the solution" in addressing climate change.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 01/10/2025

These unseasonably warm temperatures have big implications for people, livelihoods and ecosystems, and will get worse as the planet continues to warm.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 01/10/2025

Locations like Minneapolis, MN are forecasted to approach 90F Friday and Saturday. If they reach 90F on Saturday, it would be the latest point in the calendar year that this has occurred in the city’s recorded history.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 01/10/2025

Climate change won’t stop for a government shutdown. We’re following a developing late-season heatwave in the Midwest and Northeastern US. Temperatures are expected to be over 20F above normal today through early next week.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 29/09/2025

While the 2025 hurricane season seems quiet - no landfalls in the U.S. - we’ve already observed 3 major hurricanes in the Atlantic Ocean. For the first time since 1935, the Atlantic’s first 3 hurricanes were major (Erin, Gabrielle, Humberto). Humberto is still a Cat 4 hurricane near Bermuda.

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UCS Climate & Accountability Campaigns @ucsclimate.bsky.social · 29/09/2025

Folks living along the southeast coast are dealing with flooding and surf impacts from Tropical Storm Imelda. Luckily, Imelda is not expected to make landfall in the U.S. and instead will drift out to sea. Be sure to follow the National Hurricane Center for the latest information: www.hurricanes.gov

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