Natassa Romanou
@aromanou.bsky.social
Oceans. Climate. Society. And everything in between. Climate scientist and numerical modeler, aka Anastasia Romanou. NASA-GISS/Columbia U. Views my own.
Reposted by Natassa Romanou
📣 PRESS RELEASE
#IPCC authors meet in Paris 🇫🇷 to begin drafting the Seventh Assessment Report
More than six hundred experts appointed to the three Working Groups of the IPCC are gathering in Paris this week to draft IPCC’s Seventh Assessment Report.
🔗 bit.ly/4ir09cC
#IPCC authors meet in Paris 🇫🇷 to begin drafting the Seventh Assessment Report
More than six hundred experts appointed to the three Working Groups of the IPCC are gathering in Paris this week to draft IPCC’s Seventh Assessment Report.
🔗 bit.ly/4ir09cC
December 1, 2025 at 9:46 AM
📣 PRESS RELEASE
#IPCC authors meet in Paris 🇫🇷 to begin drafting the Seventh Assessment Report
More than six hundred experts appointed to the three Working Groups of the IPCC are gathering in Paris this week to draft IPCC’s Seventh Assessment Report.
🔗 bit.ly/4ir09cC
#IPCC authors meet in Paris 🇫🇷 to begin drafting the Seventh Assessment Report
More than six hundred experts appointed to the three Working Groups of the IPCC are gathering in Paris this week to draft IPCC’s Seventh Assessment Report.
🔗 bit.ly/4ir09cC
Reposted by Natassa Romanou
#IPCC Chair Jim Skea said of the IPCC’s first joint Lead Author Meeting in Paris today that the meeting marks the beginning of our assessment of the latest science related to climate change.
🔗 bit.ly/4ir09cC
🔗 bit.ly/4ir09cC
December 1, 2025 at 10:22 AM
#IPCC Chair Jim Skea said of the IPCC’s first joint Lead Author Meeting in Paris today that the meeting marks the beginning of our assessment of the latest science related to climate change.
🔗 bit.ly/4ir09cC
🔗 bit.ly/4ir09cC
First in IPCC history as well a special focus will be placed on methods and processes to ensure on Gender, Diversity, Equity and Inclusivity. So proud to be part of this! #ipcc_ar7
December 1, 2025 at 10:57 AM
First in IPCC history as well a special focus will be placed on methods and processes to ensure on Gender, Diversity, Equity and Inclusivity. So proud to be part of this! #ipcc_ar7
Reposted by Natassa Romanou
Here we go, @ipcc.bsky.social first lead author meeting (and for the first time ever covering all three working groups)
A mixed feeling of excitement and responsibility
A mixed feeling of excitement and responsibility
December 1, 2025 at 8:35 AM
Here we go, @ipcc.bsky.social first lead author meeting (and for the first time ever covering all three working groups)
A mixed feeling of excitement and responsibility
A mixed feeling of excitement and responsibility
Reposted by Natassa Romanou
Leopards, faces, etc.
Major AI conference flooded with peer reviews written fully by AI
Controversy has erupted after 21% of manuscript reviews for an international AI conference were found to be generated by artificial intelligence.
www.nature.com
November 30, 2025 at 5:08 PM
Leopards, faces, etc.
Reminiscing his 1995 IPCC report involvement, Ben Santer retired atmospheric scientist at Lawrence Livermore, gives an emotional account of that it is to be write and to defend climate science. Big thank you to those like him who paved the way. thebulletin-org.cdn.ampproject.org/c/s/thebulle...
A climate scientist reflects on 30 years fighting the 'forces of unreason'
Thirty years ago, the IPCC agreed on a historic finding: “The balance of evidence suggests a discernible human influence on global climate.”
thebulletin-org.cdn.ampproject.org
November 30, 2025 at 7:05 AM
Reminiscing his 1995 IPCC report involvement, Ben Santer retired atmospheric scientist at Lawrence Livermore, gives an emotional account of that it is to be write and to defend climate science. Big thank you to those like him who paved the way. thebulletin-org.cdn.ampproject.org/c/s/thebulle...
The @wcrpclimate.bsky.social - @ipcc.bsky.social co-sponsored workshop on high impact events and tipping points concluded on Friday - and only today for some of us! Really good work from a great number of colleagues. The workshp report will be published soon here www.wcrp-climate.org/wcrp-ipcc-2025
November 30, 2025 at 12:22 AM
The @wcrpclimate.bsky.social - @ipcc.bsky.social co-sponsored workshop on high impact events and tipping points concluded on Friday - and only today for some of us! Really good work from a great number of colleagues. The workshp report will be published soon here www.wcrp-climate.org/wcrp-ipcc-2025
Reposted by Natassa Romanou
Day #2 of the WCRP/IPCC Workshop on Earth System High Impact Events, and Tipping Points and their Consequences.
@wcrpclimate.bsky.social
@ipcc.bsky.social
@bas.ac.uk
@aspectsouth.bsky.social
Our work for today is cut out. ⬇️
@wcrpclimate.bsky.social
@ipcc.bsky.social
@bas.ac.uk
@aspectsouth.bsky.social
Our work for today is cut out. ⬇️
November 27, 2025 at 8:49 AM
Day #2 of the WCRP/IPCC Workshop on Earth System High Impact Events, and Tipping Points and their Consequences.
@wcrpclimate.bsky.social
@ipcc.bsky.social
@bas.ac.uk
@aspectsouth.bsky.social
Our work for today is cut out. ⬇️
@wcrpclimate.bsky.social
@ipcc.bsky.social
@bas.ac.uk
@aspectsouth.bsky.social
Our work for today is cut out. ⬇️
Reposted by Natassa Romanou
#cop30 decision's "recalling with concern" that "historical cumulative net carbon dioxide emissions account for at least four fifths of the total carbon budget for a 50% probability of limiting global warming to 1.5C" was true *in 2019*.
It's now 94%, best guess. /1
unfccc.int/sites/defaul...
It's now 94%, best guess. /1
unfccc.int/sites/defaul...
unfccc.int
November 23, 2025 at 8:18 PM
#cop30 decision's "recalling with concern" that "historical cumulative net carbon dioxide emissions account for at least four fifths of the total carbon budget for a 50% probability of limiting global warming to 1.5C" was true *in 2019*.
It's now 94%, best guess. /1
unfccc.int/sites/defaul...
It's now 94%, best guess. /1
unfccc.int/sites/defaul...
Reposted by Natassa Romanou
And if IPCC AR7 is not released until after the GST in 2028, then they will still be using the 2019 number until 2029, when the budget for 1.5°C would have been exceeded...
(unless someone comes up with new bigger budgets)
(unless someone comes up with new bigger budgets)
#cop30 decision's "recalling with concern" that "historical cumulative net carbon dioxide emissions account for at least four fifths of the total carbon budget for a 50% probability of limiting global warming to 1.5C" was true *in 2019*.
It's now 94%, best guess. /1
unfccc.int/sites/defaul...
It's now 94%, best guess. /1
unfccc.int/sites/defaul...
unfccc.int
November 24, 2025 at 9:11 AM
And if IPCC AR7 is not released until after the GST in 2028, then they will still be using the 2019 number until 2029, when the budget for 1.5°C would have been exceeded...
(unless someone comes up with new bigger budgets)
(unless someone comes up with new bigger budgets)
Reposted by Natassa Romanou
🎥
#ClimateAction that protects, conserves and restores #nature
PL RP🩷💚💙
@ret.social @rollingredroads.bsky.social @inuyasha1953.bsky.social @lealuck.bsky.social @charlesbeaudoin.bsky.social @diegojimmyjames.bsky.social @eavellan.bsky.social
@leza1121.bsky.social
original #climate graph by IPCC
#ClimateAction that protects, conserves and restores #nature
PL RP🩷💚💙
@ret.social @rollingredroads.bsky.social @inuyasha1953.bsky.social @lealuck.bsky.social @charlesbeaudoin.bsky.social @diegojimmyjames.bsky.social @eavellan.bsky.social
@leza1121.bsky.social
original #climate graph by IPCC
November 26, 2025 at 5:15 PM
🎥
#ClimateAction that protects, conserves and restores #nature
PL RP🩷💚💙
@ret.social @rollingredroads.bsky.social @inuyasha1953.bsky.social @lealuck.bsky.social @charlesbeaudoin.bsky.social @diegojimmyjames.bsky.social @eavellan.bsky.social
@leza1121.bsky.social
original #climate graph by IPCC
#ClimateAction that protects, conserves and restores #nature
PL RP🩷💚💙
@ret.social @rollingredroads.bsky.social @inuyasha1953.bsky.social @lealuck.bsky.social @charlesbeaudoin.bsky.social @diegojimmyjames.bsky.social @eavellan.bsky.social
@leza1121.bsky.social
original #climate graph by IPCC
Reposted by Natassa Romanou
COP30 just wrapped and the Paris Agreement turns 10 this year. Here's where we are on climate: 🧪 www.scientificamerican.com/article/the-...
5 Charts Show Climate Progress as Paris Agreement Turns 10
The 2015 Paris Agreement forged a path for the world to stave off the worst climate change scenarios. Here’s where we stand 10 years later
www.scientificamerican.com
November 22, 2025 at 2:02 PM
COP30 just wrapped and the Paris Agreement turns 10 this year. Here's where we are on climate: 🧪 www.scientificamerican.com/article/the-...
Reposted by Natassa Romanou
Re-routing of ships around the Cape of Good Hope led to a natural experiment.
By "comparing NO₂ [unaffected by the sulfur-reducing regulations], with cloud droplet number, which is sensitive to sulfur, [they] found a 67% reduction in ships' cloud-altering abilities" after the new IMO regulations.
By "comparing NO₂ [unaffected by the sulfur-reducing regulations], with cloud droplet number, which is sensitive to sulfur, [they] found a 67% reduction in ships' cloud-altering abilities" after the new IMO regulations.
When trade routes shift, so do clouds: Researchers uncover ripple effects of new global shipping regulations
When militia attacks disrupted shipping lanes in the Red Sea, few imagined the ripple effects would reach the clouds over the South Atlantic. But for Florida State University atmospheric scientist Mic...
phys.org
November 22, 2025 at 12:08 PM
Re-routing of ships around the Cape of Good Hope led to a natural experiment.
By "comparing NO₂ [unaffected by the sulfur-reducing regulations], with cloud droplet number, which is sensitive to sulfur, [they] found a 67% reduction in ships' cloud-altering abilities" after the new IMO regulations.
By "comparing NO₂ [unaffected by the sulfur-reducing regulations], with cloud droplet number, which is sensitive to sulfur, [they] found a 67% reduction in ships' cloud-altering abilities" after the new IMO regulations.
Come on New York, you can do it too. #Mamdani
“Helsinki hasn’t registered a single traffic-related fatality in the past year…Citing data that shows the risk of pedestrian fatality is cut in half by reducing a car’s speed from 40 to 30km/hr, city officials imposed the lower limit in most of Helsinki’s residential areas & city center in 2021.”
Helsinki just went a full year without a single traffic death
The capital city is Finnish’ed with car-related fatalities.
www.politico.eu
November 21, 2025 at 5:42 AM
Come on New York, you can do it too. #Mamdani
Nocturnal campus life.
November 21, 2025 at 5:40 AM
Nocturnal campus life.
Reposted by Natassa Romanou
If we don't rapidly phase out fossil fuels, we can say goodbye to coral reefs, the Greenland and Antarctic icesheets, and permafrost. The results will not be pretty.
3 massive changes you'll see as the climate careens toward tipping points
Scientists are increasingly concerned that the planet is headed for massive, irreversible changes due to global warming. In some cases, those changes have already begun.
www.npr.org
November 19, 2025 at 3:42 PM
If we don't rapidly phase out fossil fuels, we can say goodbye to coral reefs, the Greenland and Antarctic icesheets, and permafrost. The results will not be pretty.
Today I will be speaking at COP30 on the High Impact events and Tipping Points assessment report. It will be livestreamed here, starting at 10am Belém time: www.youtube.com/@iccinet
International Cryosphere Climate Initiative
International Cryosphere Climate Initiative (ICCI) is a network of senior policy experts and researchers aiming to spread cryosphere science and preserve the cryosphere's key role in Earth's climate s...
www.youtube.com
November 19, 2025 at 5:04 AM
Today I will be speaking at COP30 on the High Impact events and Tipping Points assessment report. It will be livestreamed here, starting at 10am Belém time: www.youtube.com/@iccinet
Σαν σήμερα. Η εξέγερση των φοιτητών του Πολυτεχνείου. Events that shaped generations. And very pertinent today.
November 17, 2025 at 5:09 PM
Σαν σήμερα. Η εξέγερση των φοιτητών του Πολυτεχνείου. Events that shaped generations. And very pertinent today.
Reposted by Natassa Romanou
65 Years Ago,,, History was made. #RubyBridges
November 15, 2025 at 4:41 AM
65 Years Ago,,, History was made. #RubyBridges
Reposted by Natassa Romanou
It's official: Katie Wilson is the next mayor of Seattle!
Katie Wilson Is Seattle’s Next Mayor
Somewhere, Bruce Harrell is slamming a table. Katie Wilson is up by 1,976 votes and 0.72 percent of the vote. It’s tight, but we’re outside of recount territory, and it’s mathematica...
www.thestranger.com
November 13, 2025 at 12:38 AM
It's official: Katie Wilson is the next mayor of Seattle!
Reposted by Natassa Romanou
Reposted by Natassa Romanou
Never forget: At breakneck speed we are leaving the stable Holocene climate in which human society developed and thrived. Weather extremes are outside historical experience. Sea-level rise is accelerating. Dangerous tipping points are ahead.
Graph: ed-hawkins.github.io/climate-visu...
Graph: ed-hawkins.github.io/climate-visu...
November 13, 2025 at 11:52 AM
Never forget: At breakneck speed we are leaving the stable Holocene climate in which human society developed and thrived. Weather extremes are outside historical experience. Sea-level rise is accelerating. Dangerous tipping points are ahead.
Graph: ed-hawkins.github.io/climate-visu...
Graph: ed-hawkins.github.io/climate-visu...
Reposted by Natassa Romanou
Impossible to ignore what’s happening to #Arctic temperatures in the month of November...
Data from @copernicusecmwf.bsky.social ERA5 reanalysis.
Data from @copernicusecmwf.bsky.social ERA5 reanalysis.
November 11, 2025 at 12:10 AM
Impossible to ignore what’s happening to #Arctic temperatures in the month of November...
Data from @copernicusecmwf.bsky.social ERA5 reanalysis.
Data from @copernicusecmwf.bsky.social ERA5 reanalysis.