A collection of wetlands equal to the size of Wisconsin is likely unprotected under current Clean Water Act interpretations, according to new research presented at #AGU25. eos.org/articles/aft...
After Sackett, a Wisconsin-Sized Wetland Area Is Vulnerable - Eos
An analysis of wetland legal frameworks shows how water rules could leave millions of hectares without meaningful protections.
eos.org
January 5, 2026 at 3:32 PM
A collection of wetlands equal to the size of Wisconsin is likely unprotected under current Clean Water Act interpretations, according to new research presented at #AGU25. eos.org/articles/aft...
At #AGU25, Macy Matthews of LDEO shared research on how deep-ocean circulation responded to climate variations 800,000-300,000 yrs ago from some of coldest, longest ice ages to warm, CO₂-rich interglacial periods. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1
https://bit.ly/4jel9Uh
https://bit.ly/4jel9Uh
December 31, 2025 at 5:47 PM
At #AGU25, Macy Matthews of LDEO shared research on how deep-ocean circulation responded to climate variations 800,000-300,000 yrs ago from some of coldest, longest ice ages to warm, CO₂-rich interglacial periods. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1
https://bit.ly/4jel9Uh
https://bit.ly/4jel9Uh
At #AGU25, postdoc Arijeet Mitra of LDEO shared research on uranium in groundwater in South Dakota where many rural communities, including Native American reservations, rely on wells for drinking water. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
https://youtube.com/shorts/-w5i40tkjqo
https://youtube.com/shorts/-w5i40tkjqo
Arijeet Mitra at AGU: Uranium in Groundwater in Northern Plains Aquifers
YouTube video by Lamont-Doherty Earth Observatory
youtube.com
December 30, 2025 at 5:49 PM
At #AGU25, postdoc Arijeet Mitra of LDEO shared research on uranium in groundwater in South Dakota where many rural communities, including Native American reservations, rely on wells for drinking water. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
https://youtube.com/shorts/-w5i40tkjqo
https://youtube.com/shorts/-w5i40tkjqo
At #AGU25, we stopped by to talk with postdoc Abhishek Anand of LDEO about his research on the short-term effects of New York City's congestion pricing policy (implemented on January 5, 2025) on local air pollution. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1
https://bit.ly/4q7Be0A
https://bit.ly/4q7Be0A
Abhishek Anand at AGU: Impacts of NYC's Congestion Pricing on Air Quality
YouTube video by Lamont-Doherty Earth Observatory
youtube.com
December 27, 2025 at 8:55 PM
At #AGU25, we stopped by to talk with postdoc Abhishek Anand of LDEO about his research on the short-term effects of New York City's congestion pricing policy (implemented on January 5, 2025) on local air pollution. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1
https://bit.ly/4q7Be0A
https://bit.ly/4q7Be0A
I was interviewed at AGU25 and asked what I liked most about being part of the #AGU. Without hesitation, I replied: the feeling of belonging.
This year, I was deeply honored to receive the Horton Research Grant. A recognition I share with an inspiring group of scientists whose work I greatly admire.
This year, I was deeply honored to receive the Horton Research Grant. A recognition I share with an inspiring group of scientists whose work I greatly admire.
December 24, 2025 at 1:52 PM
I was interviewed at AGU25 and asked what I liked most about being part of the #AGU. Without hesitation, I replied: the feeling of belonging.
This year, I was deeply honored to receive the Horton Research Grant. A recognition I share with an inspiring group of scientists whose work I greatly admire.
This year, I was deeply honored to receive the Horton Research Grant. A recognition I share with an inspiring group of scientists whose work I greatly admire.
Eighteenth century Ryukyuan sailor songs could improve our understanding of the climate. #AGU25
What Okinawan Sailor Songs Might Teach Us About the Climate - Eos
New work bridges the worlds of Ryukyuan classical music and the geosciences.
eos.org
December 23, 2025 at 4:55 PM
Eighteenth century Ryukyuan sailor songs could improve our understanding of the climate. #AGU25
A funny thing about the #AGU25 American Geophysical Union conference last week was how many scientists and other environmental scholars I talked to, who, when the conversation turned to what we were reading for pleasure, started raving about how great @emilystjams.bsky.social's _Woodworking_ is.
December 23, 2025 at 3:39 PM
A funny thing about the #AGU25 American Geophysical Union conference last week was how many scientists and other environmental scholars I talked to, who, when the conversation turned to what we were reading for pleasure, started raving about how great @emilystjams.bsky.social's _Woodworking_ is.
At #AGU25, we stopped by to talk with recent PhD Claire Jasper of LDEO about her research using sediment cores from North Atlantic and Southern Ocean from the early Pleistocene to investigate the timing and pacing of iceberg discharge. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1
https://bit.ly/4jarLDb
https://bit.ly/4jarLDb
Claire Jasper at AGU: Iceberg Discharge Events in the Early Pleistocene
YouTube video by Lamont-Doherty Earth Observatory
youtube.com
December 23, 2025 at 5:46 PM
At #AGU25, we stopped by to talk with recent PhD Claire Jasper of LDEO about her research using sediment cores from North Atlantic and Southern Ocean from the early Pleistocene to investigate the timing and pacing of iceberg discharge. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1
https://bit.ly/4jarLDb
https://bit.ly/4jarLDb
Chris Piecuch shows how the rate of sea-level rise along the US coast has doubled since 1900, from 2 cm to 4 cm per decade. It has risen by 40 cm by now.
Here he briefly explains this (and how the DOE claimed the opposite) at the AGU25 meeting last week.
www.youtube.com/watch?v=fI0K...
Here he briefly explains this (and how the DOE claimed the opposite) at the AGU25 meeting last week.
www.youtube.com/watch?v=fI0K...
Chris Piecuch: Sea Level Rise - AGU 2025
YouTube video by greenmanbucket
www.youtube.com
December 22, 2025 at 6:17 PM
Chris Piecuch shows how the rate of sea-level rise along the US coast has doubled since 1900, from 2 cm to 4 cm per decade. It has risen by 40 cm by now.
Here he briefly explains this (and how the DOE claimed the opposite) at the AGU25 meeting last week.
www.youtube.com/watch?v=fI0K...
Here he briefly explains this (and how the DOE claimed the opposite) at the AGU25 meeting last week.
www.youtube.com/watch?v=fI0K...
I know I shouldn't be, but still surprised that a city as big as NOLA only has one airport-downtown bus/90min. So took an Uber $36 for 14mi to #AGU25.
Now in 🇩🇪 for the holidays and walked to the airport's station. $47 for 170mi in 1st class, a train every few min. Can we have this in US too please?
Now in 🇩🇪 for the holidays and walked to the airport's station. $47 for 170mi in 1st class, a train every few min. Can we have this in US too please?
December 22, 2025 at 12:52 PM
I know I shouldn't be, but still surprised that a city as big as NOLA only has one airport-downtown bus/90min. So took an Uber $36 for 14mi to #AGU25.
Now in 🇩🇪 for the holidays and walked to the airport's station. $47 for 170mi in 1st class, a train every few min. Can we have this in US too please?
Now in 🇩🇪 for the holidays and walked to the airport's station. $47 for 170mi in 1st class, a train every few min. Can we have this in US too please?
Anybody else feel absolutely mentally and physically destroyed after a conference? 😮💨
#AGU25 was amazing and so many ideas and meetings, but I’m ready for my long winters nap 😴 ❄️
#AGU25 was amazing and so many ideas and meetings, but I’m ready for my long winters nap 😴 ❄️
December 21, 2025 at 10:34 PM
Anybody else feel absolutely mentally and physically destroyed after a conference? 😮💨
#AGU25 was amazing and so many ideas and meetings, but I’m ready for my long winters nap 😴 ❄️
#AGU25 was amazing and so many ideas and meetings, but I’m ready for my long winters nap 😴 ❄️
Past rainfall anomalies in Hawaii have had devastating consequences. More accurate forecasting of these extreme swings in rainfall could help improve water resource management and emergency preparation in this geographically remote community. #AGU25
eos.org/articles/glo...
eos.org/articles/glo...
Globe-Trotting Weather Pattern Influences Rainfall in Hawaii - Eos
Isolated islands that depend on rainfall could benefit from improved forecasting of near-future events, and understanding the Madden-Julian Oscillation could hold an important key.
eos.org
December 21, 2025 at 7:07 PM
Past rainfall anomalies in Hawaii have had devastating consequences. More accurate forecasting of these extreme swings in rainfall could help improve water resource management and emergency preparation in this geographically remote community. #AGU25
eos.org/articles/glo...
eos.org/articles/glo...
At #AGU25, tree ring scientist Caroline Leland of LDEO shared her research on dshared research on climate sensitivity of wood from Siberian Pine and Larch in North-central Mongolia to improve or build upon reconstructions of long-term climate. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
Caroline Leland at AGU: Temperature Signals of Siberian Pine and Larch in North-central Mongolia
YouTube video by Lamont-Doherty Earth Observatory
youtube.com
December 20, 2025 at 8:15 PM
At #AGU25, tree ring scientist Caroline Leland of LDEO shared her research on dshared research on climate sensitivity of wood from Siberian Pine and Larch in North-central Mongolia to improve or build upon reconstructions of long-term climate. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
Wildfire smoke, already a health hazard, may come with a dangerous hitchhiker: fungal spores. #AGU25
Fungal Spores in Wildfire Smoke Could Cause Lung Disease - Eos
Mice exposed to fungi spready by wildfires developed symptoms, exposing a potential health hazard to humans that has been understudied.
eos.org
December 20, 2025 at 5:38 PM
Wildfire smoke, already a health hazard, may come with a dangerous hitchhiker: fungal spores. #AGU25
A volcanologist reconstructing the history of magma with crystal records is “like a forensic detective trying to figure out a crime scene in a crystal.” #AGU25
Crystal Clusters Contain Clues to Magma’s Past and Future Eruptions - Eos
Eos
eos.org
December 20, 2025 at 7:45 PM
A volcanologist reconstructing the history of magma with crystal records is “like a forensic detective trying to figure out a crime scene in a crystal.” #AGU25
“Protection cannot stop at the line on a map,” says Gabriel de Oliveira in new research examining wildfires in buffer areas surrounding Indigenous territories in the Amazon. #AGU25
Fire Encroaches on One of the Amazon’s Most Pristine Indigenous Lands - Eos
New research shows how recurring wildfires in the buffer zones around Brazil’s Vale do Javari may undermine one of the Amazon’s last great refuges for isolated Indigenous peoples.
eos.org
December 20, 2025 at 4:11 PM
“Protection cannot stop at the line on a map,” says Gabriel de Oliveira in new research examining wildfires in buffer areas surrounding Indigenous territories in the Amazon. #AGU25
First AGU was successful!
#AMF #AGU25 #NewOrleans #PlantEcophys
Thanks to
@nickgregsmith.bsky.social
@texastechlib.bsky.social
@lemontree-uofr.bsky.social
@schmidtsciences.bsky.social
#AMF #AGU25 #NewOrleans #PlantEcophys
Thanks to
@nickgregsmith.bsky.social
@texastechlib.bsky.social
@lemontree-uofr.bsky.social
@schmidtsciences.bsky.social
December 19, 2025 at 11:21 PM
First AGU was successful!
#AMF #AGU25 #NewOrleans #PlantEcophys
Thanks to
@nickgregsmith.bsky.social
@texastechlib.bsky.social
@lemontree-uofr.bsky.social
@schmidtsciences.bsky.social
#AMF #AGU25 #NewOrleans #PlantEcophys
Thanks to
@nickgregsmith.bsky.social
@texastechlib.bsky.social
@lemontree-uofr.bsky.social
@schmidtsciences.bsky.social
I had a great time presenting at #AGU25! Grateful for the support of my advisor @kimcobb.bsky.social and amazing @ncar-cgd.bsky.social scientists. NCAR makes my research, and so much other vital climate science, possible.
December 19, 2025 at 8:22 PM
I had a great time presenting at #AGU25! Grateful for the support of my advisor @kimcobb.bsky.social and amazing @ncar-cgd.bsky.social scientists. NCAR makes my research, and so much other vital climate science, possible.
I won this sweet prize for being the biggest nerd at an enormous meeting of nerds
@linkedearth.bsky.social #AGU25
@linkedearth.bsky.social #AGU25
December 19, 2025 at 9:26 PM
I won this sweet prize for being the biggest nerd at an enormous meeting of nerds
@linkedearth.bsky.social #AGU25
@linkedearth.bsky.social #AGU25
🌟 Day 5 of #AGU25 — Friday
The final day of the meeting is here!
Thank you for coming to New Orleans and for the science, connections, and community you brought to AGU25.
The final day of the meeting is here!
Thank you for coming to New Orleans and for the science, connections, and community you brought to AGU25.
December 19, 2025 at 2:42 PM
🌟 Day 5 of #AGU25 — Friday
The final day of the meeting is here!
Thank you for coming to New Orleans and for the science, connections, and community you brought to AGU25.
The final day of the meeting is here!
Thank you for coming to New Orleans and for the science, connections, and community you brought to AGU25.
At #AGU25, PhD student Sanketa Kadam of NASA GISS shared her research on a mechanism largely overlooked in existing heatwave studies that plays a crucial role in shaping India's hottest spring seasons, which pose a growing threat to agriculture. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
Sanketa Kadam at AGU: Pre-Monsoon Heat Extremes over India
YouTube video by Lamont-Doherty Earth Observatory
youtube.com
December 19, 2025 at 8:56 PM
At #AGU25, PhD student Sanketa Kadam of NASA GISS shared her research on a mechanism largely overlooked in existing heatwave studies that plays a crucial role in shaping India's hottest spring seasons, which pose a growing threat to agriculture. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
Transients As Determinants Of Habitability
astrobiology.com/2025/12/tran... #astrobiology #spaceweather #stellarcartography #AGU25
astrobiology.com/2025/12/tran... #astrobiology #spaceweather #stellarcartography #AGU25
Transients As Determinants Of Habitability - Astrobiology
Stellar magnetic activity, manifested through spots (faculae and flares), fundamentally shapes the exoplanets’ environments. For low-mass stars in particular, where most habitable-zone planets reside,...
astrobiology.com
December 19, 2025 at 8:07 PM
Transients As Determinants Of Habitability
astrobiology.com/2025/12/tran... #astrobiology #spaceweather #stellarcartography #AGU25
astrobiology.com/2025/12/tran... #astrobiology #spaceweather #stellarcartography #AGU25
Forest areas with archaeological sites and evidence of ancient land management have higher levels of biomass and carbon stock than untouched areas in the Amazon. #AGU25
How Ancient Indigenous Societies Made Today’s Amazon More Resilient - Eos
Portions of the forest managed by pre-Columbian populations hold higher biomass and are more able to withstand climate change.
eos.org
December 19, 2025 at 3:44 PM
Forest areas with archaeological sites and evidence of ancient land management have higher levels of biomass and carbon stock than untouched areas in the Amazon. #AGU25
Thank you for making #AGU25 unforgettable. 💚
To every scientist, student, speaker, exhibitor, partner, and volunteer—your ideas, energy, and connections are what made this meeting so special.
See you next year in San Francisco, 7–11 December, 2026. 🌉✨
To every scientist, student, speaker, exhibitor, partner, and volunteer—your ideas, energy, and connections are what made this meeting so special.
See you next year in San Francisco, 7–11 December, 2026. 🌉✨
Save the Date for #AGU26 in San Francisco, California!
See you next year at #AGU26 in San Francisco, California! Save the dates for the AGU26 Annual Meeting in your calendar: 7 - 11 December, 2026.
youtu.be
December 19, 2025 at 6:01 PM
Thank you for making #AGU25 unforgettable. 💚
To every scientist, student, speaker, exhibitor, partner, and volunteer—your ideas, energy, and connections are what made this meeting so special.
See you next year in San Francisco, 7–11 December, 2026. 🌉✨
To every scientist, student, speaker, exhibitor, partner, and volunteer—your ideas, energy, and connections are what made this meeting so special.
See you next year in San Francisco, 7–11 December, 2026. 🌉✨