Chris Mooney
@chriscmooney.bsky.social
Climate journalist, teacher, professor of practice @uvaenvironment.bsky.social. Former WaPo climate writer. Views are my own. For my latest work: https://reportearth.substack.com/
Pinned
Pulitzer Prize-Winning Journalist Chris Mooney Named Julia G. and Alfred G. Hill Chair of Excellence - College of Communication and Information
Photo courtesy of the University of Virginia This article was written by Noreen Premji. The University of Tennessee, Knoxville’s College of Communication and Information is proud to announce Pulitzer ...
cci.utk.edu
A little bit of news about me! cci.utk.edu/blog/2026/01...
Reposted by Chris Mooney
I was told today my Washington Post job is being eliminated
It's just a job, but it's one that I was proud to do for 8+ yrs alongside the best in the business
I'm here for opportunities to tell stories about the natural world and how we impact it
dino.grandoni@gmail.com
It's just a job, but it's one that I was proud to do for 8+ yrs alongside the best in the business
I'm here for opportunities to tell stories about the natural world and how we impact it
dino.grandoni@gmail.com
February 4, 2026 at 6:54 PM
I was told today my Washington Post job is being eliminated
It's just a job, but it's one that I was proud to do for 8+ yrs alongside the best in the business
I'm here for opportunities to tell stories about the natural world and how we impact it
dino.grandoni@gmail.com
It's just a job, but it's one that I was proud to do for 8+ yrs alongside the best in the business
I'm here for opportunities to tell stories about the natural world and how we impact it
dino.grandoni@gmail.com
Reposted by Chris Mooney
First NY Times veteran @jswartz.bsky.social transitions to teach journalism at the University of Texas, now former Washington Post Pulitzer winning climate reporter @chriscmooney.bsky.social moves to teach at the other UT, the one on Rocky Top. Both grew up on Gulf Coast.
cci.utk.edu/blog/2026/01...
cci.utk.edu/blog/2026/01...
Pulitzer Prize-Winning Journalist Chris Mooney Named Julia G. and Alfred G. Hill Chair of Excellence - College of Communication and Information
Photo courtesy of the University of Virginia This article was written by Noreen Premji. The University of Tennessee, Knoxville’s College of Communication and Information is proud to announce Pulitzer ...
cci.utk.edu
January 15, 2026 at 2:06 PM
First NY Times veteran @jswartz.bsky.social transitions to teach journalism at the University of Texas, now former Washington Post Pulitzer winning climate reporter @chriscmooney.bsky.social moves to teach at the other UT, the one on Rocky Top. Both grew up on Gulf Coast.
cci.utk.edu/blog/2026/01...
cci.utk.edu/blog/2026/01...
A little bit of news about me! cci.utk.edu/blog/2026/01...
Pulitzer Prize-Winning Journalist Chris Mooney Named Julia G. and Alfred G. Hill Chair of Excellence - College of Communication and Information
Photo courtesy of the University of Virginia This article was written by Noreen Premji. The University of Tennessee, Knoxville’s College of Communication and Information is proud to announce Pulitzer ...
cci.utk.edu
January 14, 2026 at 6:03 PM
A little bit of news about me! cci.utk.edu/blog/2026/01...
Reposted by Chris Mooney
2025 was an exceptional year for the Earth's climate
⬆️ Warmest ocean heat content
⬆️ Tied as second warmest surface temps
⬆️ Second warmest troposphere
⬆️ Record high sea level and GHGs
⬇️ Record low winter Arctic ice
New State of the Climate over at Carbon Brief: www.carbonbrief.org/...
⬆️ Warmest ocean heat content
⬆️ Tied as second warmest surface temps
⬆️ Second warmest troposphere
⬆️ Record high sea level and GHGs
⬇️ Record low winter Arctic ice
New State of the Climate over at Carbon Brief: www.carbonbrief.org/...
January 14, 2026 at 2:53 PM
2025 was an exceptional year for the Earth's climate
⬆️ Warmest ocean heat content
⬆️ Tied as second warmest surface temps
⬆️ Second warmest troposphere
⬆️ Record high sea level and GHGs
⬇️ Record low winter Arctic ice
New State of the Climate over at Carbon Brief: www.carbonbrief.org/...
⬆️ Warmest ocean heat content
⬆️ Tied as second warmest surface temps
⬆️ Second warmest troposphere
⬆️ Record high sea level and GHGs
⬇️ Record low winter Arctic ice
New State of the Climate over at Carbon Brief: www.carbonbrief.org/...
Reposted by Chris Mooney
🌡️ WMO confirms 2025 was one of warmest years on record.
2025 was one of the 3 warmest years on record, with the global average surface temperature at 1.44°C ± 0.13°C above the 1850-1900 average, according to WMO’s consolidated analysis of 8 datasets.
🔗 https://bit.ly/49xpkWP
2025 was one of the 3 warmest years on record, with the global average surface temperature at 1.44°C ± 0.13°C above the 1850-1900 average, according to WMO’s consolidated analysis of 8 datasets.
🔗 https://bit.ly/49xpkWP
January 14, 2026 at 2:21 PM
🌡️ WMO confirms 2025 was one of warmest years on record.
2025 was one of the 3 warmest years on record, with the global average surface temperature at 1.44°C ± 0.13°C above the 1850-1900 average, according to WMO’s consolidated analysis of 8 datasets.
🔗 https://bit.ly/49xpkWP
2025 was one of the 3 warmest years on record, with the global average surface temperature at 1.44°C ± 0.13°C above the 1850-1900 average, according to WMO’s consolidated analysis of 8 datasets.
🔗 https://bit.ly/49xpkWP
Reposted by Chris Mooney
Most 2025 global temperatures are now out (degrees C above 1850-1900 baseline)
1.41 HadCRUT5
1.44 Berkeley
1.46 JRA-3Q
1.47 Copernicus
1.53 DCENT-I
NOAA and NASA GISS values will be public at 2pm UK time and but based on already public Jan-Nov data they will likely be between 1.3 and 1.4 degC.
1.41 HadCRUT5
1.44 Berkeley
1.46 JRA-3Q
1.47 Copernicus
1.53 DCENT-I
NOAA and NASA GISS values will be public at 2pm UK time and but based on already public Jan-Nov data they will likely be between 1.3 and 1.4 degC.
January 14, 2026 at 10:03 AM
Most 2025 global temperatures are now out (degrees C above 1850-1900 baseline)
1.41 HadCRUT5
1.44 Berkeley
1.46 JRA-3Q
1.47 Copernicus
1.53 DCENT-I
NOAA and NASA GISS values will be public at 2pm UK time and but based on already public Jan-Nov data they will likely be between 1.3 and 1.4 degC.
1.41 HadCRUT5
1.44 Berkeley
1.46 JRA-3Q
1.47 Copernicus
1.53 DCENT-I
NOAA and NASA GISS values will be public at 2pm UK time and but based on already public Jan-Nov data they will likely be between 1.3 and 1.4 degC.
Reposted by Chris Mooney
South Korean RV ARAON is indeed the only ship in the world regularly visiting Thwaites Glacier, Antarctica. US no longer has a dedicated Antarctic RV.
ARAON headed south now, with Raymond Zhong (NYT) & Miles O’Brien @pbsnews.org on board documenting! Gift link: www.nytimes.com/2025/12/27/c...
ARAON headed south now, with Raymond Zhong (NYT) & Miles O’Brien @pbsnews.org on board documenting! Gift link: www.nytimes.com/2025/12/27/c...
Bound for Antarctica: A Voyage to Earth’s End Is Underway
www.nytimes.com
December 27, 2025 at 4:35 PM
South Korean RV ARAON is indeed the only ship in the world regularly visiting Thwaites Glacier, Antarctica. US no longer has a dedicated Antarctic RV.
ARAON headed south now, with Raymond Zhong (NYT) & Miles O’Brien @pbsnews.org on board documenting! Gift link: www.nytimes.com/2025/12/27/c...
ARAON headed south now, with Raymond Zhong (NYT) & Miles O’Brien @pbsnews.org on board documenting! Gift link: www.nytimes.com/2025/12/27/c...
Reposted by Chris Mooney
📣 New estimates shed light on late-18th century temperatures!
🕰️🌡️🌎 New research provides the first global record from near-surface air temperature measurements, peering back in time to the late-18th century.
Read more about it here: brnw.ch/21wYn3Z
🕰️🌡️🌎 New research provides the first global record from near-surface air temperature measurements, peering back in time to the late-18th century.
Read more about it here: brnw.ch/21wYn3Z
Climate Lab Book
Discussions on various aspects of climate science. Click to read Climate Lab Book, by Ed Hawkins, a Substack publication.
brnw.ch
December 15, 2025 at 3:51 PM
📣 New estimates shed light on late-18th century temperatures!
🕰️🌡️🌎 New research provides the first global record from near-surface air temperature measurements, peering back in time to the late-18th century.
Read more about it here: brnw.ch/21wYn3Z
🕰️🌡️🌎 New research provides the first global record from near-surface air temperature measurements, peering back in time to the late-18th century.
Read more about it here: brnw.ch/21wYn3Z
Reposted by Chris Mooney
The new GloSAT temperature dataset extends our observational estimates of global temperature change back to 1781
Blog: climatelabbook.substack.com/p/new-estima...
Paper by Morice et al.: essd.copernicus.org/articles/17/...
Blog: climatelabbook.substack.com/p/new-estima...
Paper by Morice et al.: essd.copernicus.org/articles/17/...
New estimates of surface temperature change since the late 18th century
Releasing an observation-based global temperature dataset extending back to 1781
climatelabbook.substack.com
December 15, 2025 at 2:10 PM
The new GloSAT temperature dataset extends our observational estimates of global temperature change back to 1781
Blog: climatelabbook.substack.com/p/new-estima...
Paper by Morice et al.: essd.copernicus.org/articles/17/...
Blog: climatelabbook.substack.com/p/new-estima...
Paper by Morice et al.: essd.copernicus.org/articles/17/...
Reposted by Chris Mooney
Article on the new GloSAT dataset and implications by @chriscmooney.bsky.social for @cnn.com
edition.cnn.com/2025/12/15/c...
edition.cnn.com/2025/12/15/c...
New data raises questions about how much the Earth has warmed | CNN
New climate data raises questions about how much the Earth has warmed
edition.cnn.com
December 15, 2025 at 2:12 PM
Article on the new GloSAT dataset and implications by @chriscmooney.bsky.social for @cnn.com
edition.cnn.com/2025/12/15/c...
edition.cnn.com/2025/12/15/c...
Thanks @jswatz.bsky.social ! One of my favorite stories, I’m so thrilled that it turns out to have had this next chapter
The little ice robot that could. Great stuff from @chriscmooney.bsky.social open.substack.com/pub/reportea...
“They’re not designed for that”: An ocean robot's lucky Antarctic discoveries
One Argo float's unexpected Antarctic voyage, and unprecedented findings, show the importance of serendipity to science.
open.substack.com
December 7, 2025 at 5:54 PM
Thanks @jswatz.bsky.social ! One of my favorite stories, I’m so thrilled that it turns out to have had this next chapter
Reposted by Chris Mooney
🚨 Monday ice update - #Arctic sea ice extent is currently the lowest on record (JAXA data)
• about 1,110,000 km² below the 2010s mean
• about 1,600,000 km² below the 2000s mean
• about 2,310,000 km² below the 1990s mean
• about 2,810,000 km² below the 1980s mean
More: zacklabe.com/arctic-sea-i...
• about 1,110,000 km² below the 2010s mean
• about 1,600,000 km² below the 2000s mean
• about 2,310,000 km² below the 1990s mean
• about 2,810,000 km² below the 1980s mean
More: zacklabe.com/arctic-sea-i...
December 1, 2025 at 4:04 PM
🚨 Monday ice update - #Arctic sea ice extent is currently the lowest on record (JAXA data)
• about 1,110,000 km² below the 2010s mean
• about 1,600,000 km² below the 2000s mean
• about 2,310,000 km² below the 1990s mean
• about 2,810,000 km² below the 1980s mean
More: zacklabe.com/arctic-sea-i...
• about 1,110,000 km² below the 2010s mean
• about 1,600,000 km² below the 2000s mean
• about 2,310,000 km² below the 1990s mean
• about 2,810,000 km² below the 1980s mean
More: zacklabe.com/arctic-sea-i...
Reposted by Chris Mooney
Flagstaff’s Lowell Observatory plans to cut nearly all its research funding and reduce the number of paid science staff to just two positions next year.
Lowell Observatory slashes research funding in the midst of financial struggle
Flagstaff’s Lowell Observatory plans to cut nearly all its research funding and reduce the number of paid science staff to just two positions next year.
buff.ly
November 10, 2025 at 7:00 PM
Flagstaff’s Lowell Observatory plans to cut nearly all its research funding and reduce the number of paid science staff to just two positions next year.
Reposted by Chris Mooney
Editors have a really hard job, and the good ones can make something unreadable readable, and the great ones can make something unreadable into something good. But they're basically invisible, until someone tries to write without one.
November 17, 2025 at 3:35 PM
Editors have a really hard job, and the good ones can make something unreadable readable, and the great ones can make something unreadable into something good. But they're basically invisible, until someone tries to write without one.
1. We’re living through a very hot year (again). Right now, 2025 looks like it could come in as the 2nd or 3rd hottest year on record
October 24, 2025 at 2:50 PM
1. We’re living through a very hot year (again). Right now, 2025 looks like it could come in as the 2nd or 3rd hottest year on record
Reposted by Chris Mooney
"...a journalist looking at data in search of a story has many advantages."
@chriscmooney.bsky.social, 2010 KSJ fellow and Pulitzer Prize-winning climate reporter, shares on his Substack how he digs through data to find narrative.
@chriscmooney.bsky.social, 2010 KSJ fellow and Pulitzer Prize-winning climate reporter, shares on his Substack how he digs through data to find narrative.
The powerful connection between data and story
Part one of a two part essay on realizing the full potential of data journalism.
substack.com
October 1, 2025 at 9:02 PM
"...a journalist looking at data in search of a story has many advantages."
@chriscmooney.bsky.social, 2010 KSJ fellow and Pulitzer Prize-winning climate reporter, shares on his Substack how he digs through data to find narrative.
@chriscmooney.bsky.social, 2010 KSJ fellow and Pulitzer Prize-winning climate reporter, shares on his Substack how he digs through data to find narrative.
My latest at Substack: If you understand how to work with data, it actually strengthens, in myriad ways, your ability to find and tell compelling journalistic stories
reportearth.substack.com/p/the-deep-c...
reportearth.substack.com/p/the-deep-c...
The powerful connection between data and story
Part one of a two part essay on realizing the full potential of data journalism.
reportearth.substack.com
September 29, 2025 at 4:52 PM
My latest at Substack: If you understand how to work with data, it actually strengthens, in myriad ways, your ability to find and tell compelling journalistic stories
reportearth.substack.com/p/the-deep-c...
reportearth.substack.com/p/the-deep-c...
Reposted by Chris Mooney
US to retire its only icebreaker, stranding polar research - new article posted today by @cuboulder. The icebreaker is critical for researchers who study the changes on the edges of Antarctic glaciers and how they relate to climate change and sea level rise. buff.ly/oMAElHY #antarctica #glaciers
September 18, 2025 at 1:47 PM
US to retire its only icebreaker, stranding polar research - new article posted today by @cuboulder. The icebreaker is critical for researchers who study the changes on the edges of Antarctic glaciers and how they relate to climate change and sea level rise. buff.ly/oMAElHY #antarctica #glaciers
It’s the beginning of the month, so I’ve got lots of newly updated charts. As well as a few new ones. They're all at the Chart Archive here, but here's a quick runthrough...
reportearth.substack.com/p/reporteart...
reportearth.substack.com/p/reporteart...
ReportEarth chart archive
Since I began this Substack in March, I've been making lots of charts. Now they can all live in one place.
reportearth.substack.com
September 5, 2025 at 5:07 PM
It’s the beginning of the month, so I’ve got lots of newly updated charts. As well as a few new ones. They're all at the Chart Archive here, but here's a quick runthrough...
reportearth.substack.com/p/reporteart...
reportearth.substack.com/p/reporteart...
Reposted by Chris Mooney
"It’s getting hotter, longer, more humid and more dangerous. Yet averages elide a complex reality: The country’s experience of hotter summers — and thus one of the most visceral aspects of climate change itself — is fractured along geographic lines."
More on the Central U.S. warming hole ⬇️
More on the Central U.S. warming hole ⬇️
The strange divide in how Americans experience summer temperatures | CNN
Average temperatures elide a complex reality: The country’s experience of hotter summers — and thus one of the most visceral aspects of climate change itself — is fractured along geographic lines.
www.cnn.com
August 19, 2025 at 2:52 PM
"It’s getting hotter, longer, more humid and more dangerous. Yet averages elide a complex reality: The country’s experience of hotter summers — and thus one of the most visceral aspects of climate change itself — is fractured along geographic lines."
More on the Central U.S. warming hole ⬇️
More on the Central U.S. warming hole ⬇️
Reposted by Chris Mooney
The hottest stretch of the year is expanding beyond any calendar definition of summer. See how much longer summer temperatures last where you live wapo.st/4mtyZmx
Is summer getting longer where you live? See how temperatures changed.
The hottest stretch of the year is expanding beyond any calendar definition of summer. See what regions are experiencing the biggest change.
wapo.st
August 25, 2025 at 4:29 PM
The hottest stretch of the year is expanding beyond any calendar definition of summer. See how much longer summer temperatures last where you live wapo.st/4mtyZmx
Reposted by Chris Mooney
On @cnn.com , Practitioner Fellow @chriscmooney.bsky.social writes about about the warming hole:
"Summer is behaving very erratically as the country warms, with large changes in some regions, especially the West, and very muted ones in the central and southeast US."
www.cnn.com/2025/08/19/c...
"Summer is behaving very erratically as the country warms, with large changes in some regions, especially the West, and very muted ones in the central and southeast US."
www.cnn.com/2025/08/19/c...
The strange divide in how Americans experience summer temperatures | CNN
Average temperatures elide a complex reality: The country’s experience of hotter summers — and thus one of the most visceral aspects of climate change itself — is fractured along geographic lines.
www.cnn.com
August 26, 2025 at 4:26 PM
On @cnn.com , Practitioner Fellow @chriscmooney.bsky.social writes about about the warming hole:
"Summer is behaving very erratically as the country warms, with large changes in some regions, especially the West, and very muted ones in the central and southeast US."
www.cnn.com/2025/08/19/c...
"Summer is behaving very erratically as the country warms, with large changes in some regions, especially the West, and very muted ones in the central and southeast US."
www.cnn.com/2025/08/19/c...
Reposted by Chris Mooney
Alaska was lucky to avoid disaster after a landslide and tsunami. What about next time?
Alaska was lucky to avoid disaster after a landslide and tsunami. What about next time?
The close call in Tracy Arm 50 miles south of Juneau on 10 August is the latest sign that as glaciers melt, risks may rise
www.theguardian.com
August 23, 2025 at 3:02 PM
Alaska was lucky to avoid disaster after a landslide and tsunami. What about next time?
Reposted by Chris Mooney
Total estimated Canada #wildfire emissions to end July already marking 2025 as 3rd most extreme year in #CopernicusAtmosphere GFAS dataset. Most extreme year for Saskatchewan & Manitoba with no sign of the number of fires reducing across the country. Read our @copernicusecmwf.bsky.social summary ⬇️
August 2, 2025 at 9:44 AM
Total estimated Canada #wildfire emissions to end July already marking 2025 as 3rd most extreme year in #CopernicusAtmosphere GFAS dataset. Most extreme year for Saskatchewan & Manitoba with no sign of the number of fires reducing across the country. Read our @copernicusecmwf.bsky.social summary ⬇️
Reposted by Chris Mooney
“I’m already at risk of losing my job, and I’d rather speak out and try to save something at NASA, rather than just hide under my desk until I get laid off." NASA employees sign public letter protesting cuts. Story by @kchang.bsky.social Gift link: nyti.ms/45fBYca
Hundreds of NASA Employees Condemn Trump Administration Cuts in Public Letter
The signatories of the “Voyager Declaration” warned the space agency’s leadership about the consequences of major budget cuts that would halt many science missions.
nyti.ms
July 22, 2025 at 3:35 PM
“I’m already at risk of losing my job, and I’d rather speak out and try to save something at NASA, rather than just hide under my desk until I get laid off." NASA employees sign public letter protesting cuts. Story by @kchang.bsky.social Gift link: nyti.ms/45fBYca