Andreas Schmittner
@andreasschmittner.bsky.social
Climate scientist, ocean, ice, biogeochemistry, paleo, modeling 🌦️🌎🌊❄️🌡️🥼🔬💻🦖
Pinned
Introduction to Climate Science – Open Textbook
open.oregonstate.education
Interested in climate science? My updated online textbook is free and accessible. open.oregonstate.education/climatechange/
Make America Dirty Again. A Top Source of Lead Pollution Faced Tighter Rules. Then Trump Intervened. www.nytimes.com/2025/12/26/c...
A Top Source of Lead Pollution Faced Tighter Rules. Then Trump Intervened.
www.nytimes.com
December 26, 2025 at 4:56 PM
Make America Dirty Again. A Top Source of Lead Pollution Faced Tighter Rules. Then Trump Intervened. www.nytimes.com/2025/12/26/c...
Reposted by Andreas Schmittner
Astonishing feat!
US will break its record for the warmest Christmas by ~5°F! That’s remarkable.
Anomalies are up to +40°F in the nation’s middle and as you can see the US has the warmest air - relative to average - in the World!
H/T to @BenNollWeather
US will break its record for the warmest Christmas by ~5°F! That’s remarkable.
Anomalies are up to +40°F in the nation’s middle and as you can see the US has the warmest air - relative to average - in the World!
H/T to @BenNollWeather
December 25, 2025 at 5:09 PM
Astonishing feat!
US will break its record for the warmest Christmas by ~5°F! That’s remarkable.
Anomalies are up to +40°F in the nation’s middle and as you can see the US has the warmest air - relative to average - in the World!
H/T to @BenNollWeather
US will break its record for the warmest Christmas by ~5°F! That’s remarkable.
Anomalies are up to +40°F in the nation’s middle and as you can see the US has the warmest air - relative to average - in the World!
H/T to @BenNollWeather
Reposted by Andreas Schmittner
December 25, 2025 at 5:43 PM
Bravo, indeed!
Five Million Rides and Counting: Paris’s Busiest Bike Lane Sets Record.
momentummag.com/five-million...
momentummag.com/five-million...
Five Million Rides and Counting: Paris’s Busiest Bike Lane Sets Record
By the time the counter on Boulevard de Sébastopol in Paris ticked past five million trips , the moment had taken on a symbolic weight.
momentummag.com
December 25, 2025 at 6:05 PM
Bravo, indeed!
What’s next? I wouldn’t be surprised if he renames Washington DC to Trump DC. www.nytimes.com/2025/12/24/u...
Kennedy Center’s Christmas Eve Jazz Show Canceled After Trump Name Added to Building
www.nytimes.com
December 25, 2025 at 6:01 PM
What’s next? I wouldn’t be surprised if he renames Washington DC to Trump DC. www.nytimes.com/2025/12/24/u...
US government supports hate speech and misinformation. www.reuters.com/legal/govern...
US targets former EU commissioner, activists with visa bans over alleged censorship
The Trump administration on Tuesday imposed visa bans on a former European Union commissioner and anti-disinformation campaigners it says were involved in censoring U.S. social media platforms, in the...
www.reuters.com
December 25, 2025 at 5:08 PM
US government supports hate speech and misinformation. www.reuters.com/legal/govern...
Reposted by Andreas Schmittner
US issues visa ban on former EU Commissioner Thierry Breton as well as Imran Ahmed, the British CEO of the Center for Countering Digital Hate; Anna-Lena von Hodenberg and Josephine Ballon of the German nonprofit HateAid; and Clare Melford, co-founder of the Global Disinformation Index (GDI).
US targets former EU commissioner, activists with visa bans over alleged censorship
The Trump administration on Tuesday imposed visa bans on a former European Union commissioner and anti-disinformation campaigners it says were involved in censoring U.S. social media platforms, in the...
www.reuters.com
December 24, 2025 at 1:23 PM
US issues visa ban on former EU Commissioner Thierry Breton as well as Imran Ahmed, the British CEO of the Center for Countering Digital Hate; Anna-Lena von Hodenberg and Josephine Ballon of the German nonprofit HateAid; and Clare Melford, co-founder of the Global Disinformation Index (GDI).
Forecasts by Jim Hanson, who has a proven track record, suggest we’re about to cross the 1.5 deg C warming target. And what does the current US administration? Pump out carbon as fast as possible. Pure insanity. open.substack.com/pub/jimehans...
Global Temperature in 2025, 2026, 2027
James Hansen, Pushker Kharecha, Dylan Morgan and Jasen Vest
open.substack.com
December 23, 2025 at 3:31 PM
Forecasts by Jim Hanson, who has a proven track record, suggest we’re about to cross the 1.5 deg C warming target. And what does the current US administration? Pump out carbon as fast as possible. Pure insanity. open.substack.com/pub/jimehans...
The stupidity has no limits: Trump Halts Five Wind Farms Off the East Coast www.nytimes.com/2025/12/22/c...
Trump Halts Five Wind Farms Off the East Coast
www.nytimes.com
December 22, 2025 at 5:35 PM
The stupidity has no limits: Trump Halts Five Wind Farms Off the East Coast www.nytimes.com/2025/12/22/c...
Reposted by Andreas Schmittner
New AMS Statement: Dismantling NSF’s National Center for Atmospheric Research would weaken U.S. leadership in weather, water, and climate science, putting public safety at risk.
For more than 60 years, NSF NCAR has improved forecasts and early warnings that save lives. More: https://bit.ly/4q6eChn
For more than 60 years, NSF NCAR has improved forecasts and early warnings that save lives. More: https://bit.ly/4q6eChn
December 19, 2025 at 10:54 PM
New AMS Statement: Dismantling NSF’s National Center for Atmospheric Research would weaken U.S. leadership in weather, water, and climate science, putting public safety at risk.
For more than 60 years, NSF NCAR has improved forecasts and early warnings that save lives. More: https://bit.ly/4q6eChn
For more than 60 years, NSF NCAR has improved forecasts and early warnings that save lives. More: https://bit.ly/4q6eChn
Reposted by Andreas Schmittner
Scientists are supposed to be happy when their predictions are skillful, right?
Why do I not feel happy?
Why do I not feel happy?
December 19, 2025 at 2:10 PM
Scientists are supposed to be happy when their predictions are skillful, right?
Why do I not feel happy?
Why do I not feel happy?
The Trump administration wants to dismantle the National Center for Atmospheric Research (NCAR). It continues its war against science and reason. Insanity. Hear what my colleague Katharine Hayhoe @katharinehayhoe.com has to say about it. www.npr.org/2025/12/18/n...
Trump moves to dismantle a ‘global mothership’ of climate research : Here & Now Anytime
The Trump administration says it will dismantle the National Center for Atmospheric Research, a cornerstone for American climate and weather science. Katharine Hayhoe, chief scientist at the Nature Co...
www.npr.org
December 19, 2025 at 4:04 AM
The Trump administration wants to dismantle the National Center for Atmospheric Research (NCAR). It continues its war against science and reason. Insanity. Hear what my colleague Katharine Hayhoe @katharinehayhoe.com has to say about it. www.npr.org/2025/12/18/n...
Job Alert
jobs.lever.co/schmidt-enti...
jobs.lever.co/schmidt-enti...
jobs - Program Scientist
The Schmidt Sciences Climate Institute seeks to understand how our planet works and the ways it's changing, connect climate research to action by developing science-driven tools, and empower interdisc...
jobs.lever.co
December 9, 2025 at 8:28 PM
Job Alert
jobs.lever.co/schmidt-enti...
jobs.lever.co/schmidt-enti...
„When we eliminate the strong biases that favor fossil fuels, renewables emerge as the clear winner.” www.forbes.com/sites/kensil...
Uruguay’s Renewable Charge: A Small Nation, A Big Lesson For The World
Uruguay built a power grid that runs 99% on renewables—at half the cost of fossil fuels. Here’s how its bold energy overhaul became a global model.
www.forbes.com
December 9, 2025 at 2:49 AM
„When we eliminate the strong biases that favor fossil fuels, renewables emerge as the clear winner.” www.forbes.com/sites/kensil...
„Uruguay did what most nations still call impossible: it built a power grid that runs almost entirely on renewables—at half the cost of fossil fuels.“ www.forbes.com/sites/kensil...
Uruguay’s Renewable Charge: A Small Nation, A Big Lesson For The World
Uruguay built a power grid that runs 99% on renewables—at half the cost of fossil fuels. Here’s how its bold energy overhaul became a global model.
www.forbes.com
December 9, 2025 at 2:39 AM
„Uruguay did what most nations still call impossible: it built a power grid that runs almost entirely on renewables—at half the cost of fossil fuels.“ www.forbes.com/sites/kensil...
en.wikipedia.org
December 7, 2025 at 6:23 AM
Reposted by Andreas Schmittner
Pastor Jorge Bautista was telling a Border Patrol agent "we come in peace" when the agent fired toxic powder at him, leaving him struggling to breathe.
“No one should be assaulted for being out there protesting,” he says.
With @frontlinepbs.bsky.social
“No one should be assaulted for being out there protesting,” he says.
With @frontlinepbs.bsky.social
Trump’s Immigration Forces Deploy “Less Lethal” Weapons in Dangerous Ways, Skirting Rules and Maiming Protesters
Civil rights and weapons experts cite the consequences of federal agents’ use of crowd control weapons: religious leaders shot with pepper balls and noxious chemicals. A nurse nearly blinded by tear g...
www.propublica.org
December 2, 2025 at 4:00 AM
Pastor Jorge Bautista was telling a Border Patrol agent "we come in peace" when the agent fired toxic powder at him, leaving him struggling to breathe.
“No one should be assaulted for being out there protesting,” he says.
With @frontlinepbs.bsky.social
“No one should be assaulted for being out there protesting,” he says.
With @frontlinepbs.bsky.social
New publication: how does a collapse of the Atlantic Meridional Overturning Circulation (AMOC) affect carbon and d13C cycles in the ocean?
doi.org/10.1029/2025...
doi.org/10.1029/2025...
doi.org/10.1029/2025...
doi.org/10.1029/2025...
Impact of Atlantic Meridional Overturning Circulation Collapse on Carbon‐13 Components in the Ocean
Simulated collapse of the Atlantic Meridional Overturning Circulation affects atmospheric CO2 ${\text{CO}}_{2}$ and δ13CCO2 ${C}_{\mathit{CO2}}$ Largest effect on ocean δ13CDIC ${C}_{\mathit{DIC}...
doi.org
December 1, 2025 at 8:29 PM
New publication: how does a collapse of the Atlantic Meridional Overturning Circulation (AMOC) affect carbon and d13C cycles in the ocean?
doi.org/10.1029/2025...
doi.org/10.1029/2025...
doi.org/10.1029/2025...
doi.org/10.1029/2025...
Four out of five people around the world (80 percent) want more climate action from their country. climatepromise.undp.org/news-and-sto...
The world’s largest survey on climate change is out – here's what the results show | UNDP Climate Promise
We break down the results of Peoples’ Climate Vote 2024, representing 87 percent of the global population.
climatepromise.undp.org
December 1, 2025 at 3:42 PM
Four out of five people around the world (80 percent) want more climate action from their country. climatepromise.undp.org/news-and-sto...
Reposted by Andreas Schmittner
Meteorologists are surprised that the weather model that did the best job forecasting hurricanes this year was a new one, introduced by Google. AI may be the beginning of a new era of forecasting. n.pr/49MFa1M
As the 2025 Atlantic hurricane season ends, the future of forecasting is AI
Meteorologists are surprised that the weather model that did the best job forecasting hurricanes this year was a new one, introduced by Google. AI may be the beginning of a new era of forecasting.
n.pr
November 30, 2025 at 3:26 AM
Meteorologists are surprised that the weather model that did the best job forecasting hurricanes this year was a new one, introduced by Google. AI may be the beginning of a new era of forecasting. n.pr/49MFa1M
Mountains are among the most sensitive places on Earth to climate change. People who live there know about the glacier melt, changes in vegetation etc. I remember well an older gentleman from the Oztal in Austria who was a naturalist and explained to us what he's seen.
www.port.ac.uk/news-events-...
www.port.ac.uk/news-events-...
Scientists warn mountain climate change is accelerating faster than predicted, putting billions of people at risk
A major global review has revealed how climate change has impacted mountain regions over the last 40 years.
www.port.ac.uk
November 26, 2025 at 10:27 PM
Mountains are among the most sensitive places on Earth to climate change. People who live there know about the glacier melt, changes in vegetation etc. I remember well an older gentleman from the Oztal in Austria who was a naturalist and explained to us what he's seen.
www.port.ac.uk/news-events-...
www.port.ac.uk/news-events-...
Household electricity bills have gone up 11 percent nationally since Mr. Trump took office, and more than 158,000 clean energy jobs in wind, solar and other clean energy manufacturing have been lost or have stalled since the administration eliminated Biden-era grants. www.nytimes.com/2025/11/26/c...
Trump Vowed Fewer Regulations and Lots More Oil. He’s Delivered on One.
www.nytimes.com
November 26, 2025 at 7:38 PM
Household electricity bills have gone up 11 percent nationally since Mr. Trump took office, and more than 158,000 clean energy jobs in wind, solar and other clean energy manufacturing have been lost or have stalled since the administration eliminated Biden-era grants. www.nytimes.com/2025/11/26/c...
Official statistics are vastly undercounting deaths from extreme weather www.nature.com/articles/d41...
Official statistics are vastly undercounting deaths from extreme weather
Research reveals that many more people lose their lives because of the effects of rainfall and flooding than are routinely accounted for.
www.nature.com
November 25, 2025 at 4:51 PM
Official statistics are vastly undercounting deaths from extreme weather www.nature.com/articles/d41...
10 Years After a Breakthrough Climate Pact, Here’s Where We Are www.nytimes.com/interactive/...
10 Years After the Paris Climate Agreement, Here's Where We Are
Has anything really changed in the decade since the Paris Agreement was reached? Actually, quite a lot.
www.nytimes.com
November 7, 2025 at 6:25 PM
10 Years After a Breakthrough Climate Pact, Here’s Where We Are www.nytimes.com/interactive/...