Cheryl Katz
@ckatz99.bsky.social
Freelance journalist covering science and the environment, with special interest and extensive reporting experience in the Arctic. Bylines Smithsonian, NatGeo, Eos, Yale360, Hakai Mag and more. https://CherylKatz.com
Interesting new study finds polar bears aging faster due to stress caused by #ClimateChange. Age advancing by a year for each degree of #Arctic warming—which is now up to +3 C. (Note: report in preprint) www.biorxiv.org/content/10.1... 🧪❄️
September 30, 2025 at 4:19 PM
Interesting new study finds polar bears aging faster due to stress caused by #ClimateChange. Age advancing by a year for each degree of #Arctic warming—which is now up to +3 C. (Note: report in preprint) www.biorxiv.org/content/10.1... 🧪❄️
New report on the “thousand cuts” behind Pacific salmon’s population plunge—and some solutions: www.watershedfuturesinitiative.com/research/ula....
My story about this complex dilemma and its tragic impacts on the Salmon People, for Smithsonian Magazine: www.smithsonianmag.com/science-natu...
My story about this complex dilemma and its tragic impacts on the Salmon People, for Smithsonian Magazine: www.smithsonianmag.com/science-natu...
Research | Watershed Futures Initiative | British Columbia
Research paper by Marta Ulaski, et al "Barriers and opportunities for the effective management of cumulative effects in salmon ecosystems in British Columbia, Canada"
www.watershedfuturesinitiative.com
September 9, 2025 at 5:03 PM
New report on the “thousand cuts” behind Pacific salmon’s population plunge—and some solutions: www.watershedfuturesinitiative.com/research/ula....
My story about this complex dilemma and its tragic impacts on the Salmon People, for Smithsonian Magazine: www.smithsonianmag.com/science-natu...
My story about this complex dilemma and its tragic impacts on the Salmon People, for Smithsonian Magazine: www.smithsonianmag.com/science-natu...
Last summer’s record heat wave sent 1% of Svalbard’s ice down the drain.(Well not exactly, but you known what I mean…)❄️🧪
www.highnorthnews.com/en/svalbard-...
www.highnorthnews.com/en/svalbard-...
Svalbard Archipelago Lost 1% of Glacial Ice During Summer 2024 Heat Wave, New Study Finds
Record-level temperatures battered Svalbard during summer of 2024. Researchers have now quantified the damage the heatwave caused: One percent of the archipelago’s ice had disappeared by the end of th...
www.highnorthnews.com
August 26, 2025 at 5:16 PM
Last summer’s record heat wave sent 1% of Svalbard’s ice down the drain.(Well not exactly, but you known what I mean…)❄️🧪
www.highnorthnews.com/en/svalbard-...
www.highnorthnews.com/en/svalbard-...
Winter temps in Svalbard above freezing for half of Feb.; new @nature.com paper shows the impacts. “When winter warming crosses the 0 °C threshold, it marks more than just a warm anomaly — it signals a fundamental shift in Arctic winter dynamics.” 🧪❄️ www.nature.com/articles/s41...
Svalbard winter warming is reaching melting point - Nature Communications
The Arctic winters are changing fast. In February 2025, Svalbard endured rain, thawing tundra, and pooling meltwater. The Comment by Bradley and coauthors describes how winter warming is reshapin...
www.nature.com
July 21, 2025 at 4:23 PM
Winter temps in Svalbard above freezing for half of Feb.; new @nature.com paper shows the impacts. “When winter warming crosses the 0 °C threshold, it marks more than just a warm anomaly — it signals a fundamental shift in Arctic winter dynamics.” 🧪❄️ www.nature.com/articles/s41...
Waiting for my invite…
www.arctictoday.com/super-rich-r...
www.arctictoday.com/super-rich-r...
Super-rich Russians plan big party on North Pole - ArcticToday
Rock band Leningrad will perform and popular DJs, stand-up comedians and fitness celebrities will entertain. A group of well-connected Russians will on August 21 board the French luxury yacht Le Comma...
www.arctictoday.com
June 13, 2025 at 4:00 PM
Waiting for my invite…
www.arctictoday.com/super-rich-r...
www.arctictoday.com/super-rich-r...
“Another year, another record… It’s sad.” —Ralph Keeling thehill.com/policy/energ...
thehill.com
June 11, 2025 at 5:54 PM
“Another year, another record… It’s sad.” —Ralph Keeling thehill.com/policy/energ...
Hidden inside “big, beautiful” bill — opening 1000s of acres at edge of Minnesota’s irreplaceable Boundary Waters wilderness to mining. www.publicdomain.media?utm_source=n...
Public Domain | Substack
Investigative reporting on public lands, wildlife and government. Click to read Public Domain, a Substack publication with thousands of subscribers.
www.publicdomain.media
June 9, 2025 at 4:39 PM
Hidden inside “big, beautiful” bill — opening 1000s of acres at edge of Minnesota’s irreplaceable Boundary Waters wilderness to mining. www.publicdomain.media?utm_source=n...
Worldwide, populations of salmon and related species have dropped nearly 40 per cent since 1980, a new study finds: www.concordia.ca/cunews/stori... My recent @smithsonianmag.bsky.social story about the tragic impacts on Pac NW tribes: www.smithsonianmag.com/science-natu...
Salmon and related fish in global decline since 1980, Concordia study shows - Concordia University
A new database covering over 1,000 rivers and streams reveals a sharp drop in the biomass of salmon, trout and similar species
www.concordia.ca
June 3, 2025 at 4:02 PM
Worldwide, populations of salmon and related species have dropped nearly 40 per cent since 1980, a new study finds: www.concordia.ca/cunews/stori... My recent @smithsonianmag.bsky.social story about the tragic impacts on Pac NW tribes: www.smithsonianmag.com/science-natu...
“Managing an endangered species that is preyed on by another endangered species is a complex thing.”
My latest, on the conservation conundrum in the Pacific Northwest, for @smithsonianmag www.smithsonianmag.com/science-natu... 🧪
My latest, on the conservation conundrum in the Pacific Northwest, for @smithsonianmag www.smithsonianmag.com/science-natu... 🧪
Salmon in the Pacific Northwest Are Facing a New Threat: Booming Populations of Seals and Sea Lions
The mammals' return to the region represented a conservation success story, but their appetite for endangered fish is upsetting the balance of a delicate ecosystem
www.smithsonianmag.com
May 20, 2025 at 8:08 PM
“Managing an endangered species that is preyed on by another endangered species is a complex thing.”
My latest, on the conservation conundrum in the Pacific Northwest, for @smithsonianmag www.smithsonianmag.com/science-natu... 🧪
My latest, on the conservation conundrum in the Pacific Northwest, for @smithsonianmag www.smithsonianmag.com/science-natu... 🧪
Don’t miss the Weather & Climate Livestream, 5/28-6/1: a 100-hour nonpartisan talkathon about climate science and why it matters for everyone: wcstreamathon.netlify.app Scientists - sign up to speak and help Save America’s Forecasts 🧪
The Weather & Climate Livestream | Speakers
Information for potential speakers at the Weather & Climate Livestream
wcstreamathon.netlify.app
May 19, 2025 at 4:01 PM
Don’t miss the Weather & Climate Livestream, 5/28-6/1: a 100-hour nonpartisan talkathon about climate science and why it matters for everyone: wcstreamathon.netlify.app Scientists - sign up to speak and help Save America’s Forecasts 🧪
Roar!
🧪🔭💡🌎❄️🧬
🧪🔭💡🌎❄️🧬
Dozens of responses to my essay summarized.
1. Why aren’t scientists in an uproar?
2. Most Americans don't know that defunding science will make their lives worse.
Bluesky, tell your neighbors, science matters. Scientists, roar.
🧪💙📚 #scicomm #science 🌎 🔬 ⚒️
theconversation.com/unprecedente...
1. Why aren’t scientists in an uproar?
2. Most Americans don't know that defunding science will make their lives worse.
Bluesky, tell your neighbors, science matters. Scientists, roar.
🧪💙📚 #scicomm #science 🌎 🔬 ⚒️
theconversation.com/unprecedente...
Unprecedented cuts to the National Science Foundation endanger research that improves economic growth, national security and your life
The Trump administration has terminated hundreds of federal grants that support engineering, biology, geology, computer science, STEM education and much more.
theconversation.com
May 16, 2025 at 3:35 PM
Roar!
🧪🔭💡🌎❄️🧬
🧪🔭💡🌎❄️🧬
Kudos to @agu.org and @ametsoc.org for stepping up to fill the National Climate Assessment void! 🧪
news.agu.org/press-releas...
news.agu.org/press-releas...
AGU and AMS join forces on special collection to maintain momentum of research supporting the U.S. National Climate assessment
Congressionally mandated, the NCA draws on the latest scientific research to evaluate how climate change is affecting the United States. The new special collection does not replace the NCA but instead...
news.agu.org
May 2, 2025 at 4:41 PM
Kudos to @agu.org and @ametsoc.org for stepping up to fill the National Climate Assessment void! 🧪
news.agu.org/press-releas...
news.agu.org/press-releas...
Tariffs on Svalbard and Jan Mayen? Just about the only thing these remote Arctic islands export is science…🧪
www.thebarentsobserver.com/news/trump-s...
www.thebarentsobserver.com/news/trump-s...
Trump slaps bizarre tariffs on Arctic islands with almost no export
The uninhabited volcanic island of Jan Mayen and the Svalbard archipelago are among the strangest places Trump has imposed tariffs on.
www.thebarentsobserver.com
April 3, 2025 at 3:49 PM
Tariffs on Svalbard and Jan Mayen? Just about the only thing these remote Arctic islands export is science…🧪
www.thebarentsobserver.com/news/trump-s...
www.thebarentsobserver.com/news/trump-s...
Arctic sea ice has shrunk to a new record low this year @nsidc.bsky.social reports. Meanwhile, Arctic winter temps have been running up to 2 C above average. 🧪
March 27, 2025 at 8:18 PM
Arctic sea ice has shrunk to a new record low this year @nsidc.bsky.social reports. Meanwhile, Arctic winter temps have been running up to 2 C above average. 🧪
“It looks like our monitoring program will soon be dead.”https://www.staradvertiser.com/2025/03/11/breaking-news/trump-cuts-target-world-leading-greenhouse-gas-observatory-in-hawaii/ 🧪🔭
Trump cuts target world-leading greenhouse gas observatory in Hawaii | Honolulu Star-Advertiser
The Trump administration is considering canceling the lease of the support office for a renowned Hawaii climate research station, sources said, raising fears for the future of key work tracking the im...
www.staradvertiser.com
March 12, 2025 at 4:02 PM
“It looks like our monitoring program will soon be dead.”https://www.staradvertiser.com/2025/03/11/breaking-news/trump-cuts-target-world-leading-greenhouse-gas-observatory-in-hawaii/ 🧪🔭
Burning at both ends—global daily sea ice hit new low in Feb., @copernicusecmwf.bsky.social reports, and Antarctic seasonal ice cover remains near record low, @nsidc.bsky.social shows. nsidc.org/sea-ice-toda...
sites.ecmwf.int/data/c3sci/b...
sites.ecmwf.int/data/c3sci/b...
March 6, 2025 at 5:10 PM
Burning at both ends—global daily sea ice hit new low in Feb., @copernicusecmwf.bsky.social reports, and Antarctic seasonal ice cover remains near record low, @nsidc.bsky.social shows. nsidc.org/sea-ice-toda...
sites.ecmwf.int/data/c3sci/b...
sites.ecmwf.int/data/c3sci/b...
As a Californian, I’m all for this: denmarkification.com I’m especially excited about the smørrebrød! 🇩🇰
Help Denmark Buy California – Because Why Not?
Buy it from Trump, the bigliest crowdsourcing ever
denmarkification.com
February 14, 2025 at 4:59 PM
As a Californian, I’m all for this: denmarkification.com I’m especially excited about the smørrebrød! 🇩🇰
Best wishes to my favorite “Undesirables.” Keep up the great work, @thebarentsobserver.com!!!
Moscow declares the Barents Observer an 'undesirable organisation'
Moscow declares the Barents Observer an 'undesirable organisation'
The newspaper publishes 'anti-Russian materials' that are aimed at 'igniting protest among the people of Northern Russia,' the Russian General Prosecutor says.
www.thebarentsobserver.com
February 7, 2025 at 5:00 PM
Best wishes to my favorite “Undesirables.” Keep up the great work, @thebarentsobserver.com!!!
Self-censorship at NSF?
www.science.org/content/arti... 🧪
www.science.org/content/arti... 🧪
NSF reexamines existing awards to comply with Trump’s directives
Normal operations have been disrupted as staff look for offending words
www.science.org
February 5, 2025 at 5:17 PM
Self-censorship at NSF?
www.science.org/content/arti... 🧪
www.science.org/content/arti... 🧪
Today’s alarming question: will the “God Squad” be marshalled to wipe out endangered species? 🧪
www.nytimes.com/2025/01/28/c...
www.nytimes.com/2025/01/28/c...
Could Trump Use the ‘God Squad’ to Override Environmental Law?
The president wants to convene the rarely used panel, which has the power to carve out exemptions to the Endangered Species Act. Here’s what to know.
www.nytimes.com
January 29, 2025 at 7:01 PM
Today’s alarming question: will the “God Squad” be marshalled to wipe out endangered species? 🧪
www.nytimes.com/2025/01/28/c...
www.nytimes.com/2025/01/28/c...
1000s of Greenland lakes have abruptly shifted from carbon sinks to sources — driving CO2 output up 350%, new @umaine.bsky.social paper in @pnas.org finds. I accompanied the researchers in 2023 and wrote this report from the field: e360.yale.edu/features/gre... 🧪
www.pnas.org/doi/10.1073/...
www.pnas.org/doi/10.1073/...
January 24, 2025 at 7:55 PM
1000s of Greenland lakes have abruptly shifted from carbon sinks to sources — driving CO2 output up 350%, new @umaine.bsky.social paper in @pnas.org finds. I accompanied the researchers in 2023 and wrote this report from the field: e360.yale.edu/features/gre... 🧪
www.pnas.org/doi/10.1073/...
www.pnas.org/doi/10.1073/...
Well hell — our home solar installation just finished yesterday, at the same time as this:
President Donald Trump has ordered federal agencies to “immediately pause” the spending of money from the Inflation Reduction Act, former President Joe Biden’s signature climate law that provided hundreds of billions of dollars in subsidies to clean energy and other climate initiatives.
Trump Orders Agencies to Halt Spending from Biden’s Climate Law
President Donald Trump has ordered federal agencies to “immediately pause” the spending of money from the Inflation Reduction Act, former President Joe Biden’s signature climate law that provided hund...
www.bloomberg.com
January 22, 2025 at 4:49 PM
Well hell — our home solar installation just finished yesterday, at the same time as this:
The massive Moss Landing energy storage facility was largely destroyed by a battery fire this weekend — the 4th (including one at an adjacent site) since I wrote about the project in 2020: e360.yale.edu/features/in-... Could deal a major blow to grid renewable energy storage efforts. 🧪🪫💡
In Boost for Renewables, Grid-Scale Battery Storage Is on the Rise
Driven by technological advances, facilities are being built with storage systems that can hold enough renewable energy to power hundreds of thousands of homes. The advent of “big battery” technology ...
e360.yale.edu
January 20, 2025 at 5:08 PM
The massive Moss Landing energy storage facility was largely destroyed by a battery fire this weekend — the 4th (including one at an adjacent site) since I wrote about the project in 2020: e360.yale.edu/features/in-... Could deal a major blow to grid renewable energy storage efforts. 🧪🪫💡