Peter Aldhous
banner
peteraldhous.com
Peter Aldhous
@peteraldhous.com
Science. Data. Journalism. Maps. Teach: @ucscscicomm.bsky.social. Ex: BuzzFeed News, berkeleyjournalism.bsky.social, @newscientist.com, @nature.com, @science.org.
https://www.peteraldhous.com/
NEW in @mercurynews.com from our news features classes @ucscscicomm.bsky.social:
Kaia Glickman on 3D-printed surfboards from recyclable materials
www.mercurynews.com/2025/12/26/s...
The “surfer’s paradox” is that their boards can harm the oceans they cherish. A new process is helping to change that.
Santa Cruz company Swellcycle is making 3D-printed surfboards from recyclable material.
www.mercurynews.com
December 26, 2025 at 1:04 PM
December 25, 2025 at 11:16 AM
Reposted by Peter Aldhous
In analyzing state records for this waste, @peteraldhous.com and I found huge discrepancies, errors and a lot of troubling questions about oversight. Almost 1.4 million tons of waste was unaccounted for: insideclimatenews.org/news/1912202...
Tracking Oil and Gas Waste in Pennsylvania Is Still a ‘Logistical Mess’ - Inside Climate News
More than a decade after regulators promised to improve reporting standards for this waste, an Inside Climate News investigation found huge discrepancies in state records.
insideclimatenews.org
December 23, 2025 at 7:53 PM
NEW from our news features classes @ucscscicomm.bsky.social:
Alonso Daboub on monitoring air pollution facing farmworker communities in the Pajaro Valley using drones and low-cost sensors.
www.mercurynews.com/2025/12/22/n...
How a new system of drones and low-cost sensors can protect communities from air pollution
UC Santa Cruz research project is documenting how a shift in farm work patterns creates greater health risks.
www.mercurynews.com
December 23, 2025 at 10:53 AM
Reposted by Peter Aldhous
Bad day to be a Waymo (and even worse to be inside or stuck behind one). A widespread blackout left robotaxis stalled across the city, causing traffic chaos Saturday night.

Read more: sfstandard.com/2025/12/20/w...
December 21, 2025 at 5:47 AM
Looks interesting: #geosam package for extracting objects from satellite images from @kylewalker.bsky.social
walker-data.com/geosam/
geosam
Geospatial Image Segmentation with SAM3 in R
walker-data.com
December 20, 2025 at 10:06 AM
Reposted by Peter Aldhous
A new investigation into PA’s tracking of toxic and often radioactive oil and gas waste revealed huge discrepancies in the records. (With @peteraldhous.com) insideclimatenews.org/news/1912202...
Tracking Oil and Gas Waste in Pennsylvania Is Still a ‘Logistical Mess’ - Inside Climate News
More than a decade after regulators promised to improve reporting standards for this waste, an Inside Climate News investigation found huge discrepancies in state records.
insideclimatenews.org
December 19, 2025 at 2:04 PM
The president’s political feud with Colorado and his budget chief’s drive to end climate research have put the National Center for Atmospheric Research at risk.
insideclimatenews.org/news/1712202...
NCAR, Major Climate Research Center, Targeted for Closure in Trump Dispute with Colorado - Inside Climate News
The president’s political feud and his budget chief’s drive to end climate research have put the National Center for Atmospheric Research at risk.
insideclimatenews.org
December 18, 2025 at 9:46 AM
Ugh ...
Exclusive: The Trump administration is moving to dismantle the National Center for Atmospheric Research in Colorado, according to a senior White House official, taking aim at one of the world's leading climate research labs.
Trump moves to dismantle major US climate research center in Colorado
The Trump administration is breaking up the National Center for Atmospheric Research, taking aim at one of the world's leading climate research labs.
bit.ly
December 17, 2025 at 8:29 AM
Reposted by Peter Aldhous
More Everything Forever by @adambecker.bsky.social provides a sorely needed and persuasive debunking of the mad and often toxic fantasies now embedded in Silicon Valley.
www.the-tls.com/science-tech...
Techno dystopia, libertarian hell
Imagine a future in which humans succeed in colonizing other planetary systems. It is then easy to imagine an intergalactic human population numbering something huge beyond imagining – 1040, say – all...
www.the-tls.com
December 15, 2025 at 12:41 PM
Pleased to provide data/charts for this story on money-lending apps in Nigeria. Collaboration between ccij.io and techcabal.com
veza.news/article/2025...
One-click debt-trap — VEZA
How product design fuels predatory lending in Nigerian fintech
veza.news
December 15, 2025 at 10:44 AM
Reposted by Peter Aldhous
In late 2020 a Chinese man called Guan Heng travelled to Xinjiang with our BuzzFeed map of detention facilities to provide ground truth for our work - he provided the first corroborating evidence for many sites.

He escaped to the US - then ICE detained him.

www.wsj.com/world/china/...
ICE Holding Chinese Man Who Documented Uyghur Camps
Heng Guan is awaiting an immigration hearing on Monday that could lead to his removal from the U.S. and ultimately land him back in China, according to his lawyer and a New York-based activist group.
www.wsj.com
December 13, 2025 at 3:17 PM
LATEST in @mercurynews.com from our news features classes @ucscscicomm.bsky.social. By Cassidy Beach:
How a group tracking sounds beneath Bay Area waters hopes to protect whales from shipping lanes
www.mercurynews.com/2025/12/10/h...
How a group tracking sounds beneath Bay Area waters hopes to protect whales from shipping lanes
Despite a dramatic rise in whale deaths in the Bay Area — with 2025 already surpassing any year in the past-quarter century — acoustic monitoring of marine mammals in and around the Bay…
www.mercurynews.com
December 10, 2025 at 4:25 PM
Meanwhile, in Europe…
Climate data just got a major upgrade 📊🌍

With 4 new projects, @esa.int's Climate Change Initiative is now generating long-term global satellite data for land evaporation, phytoplankton, sea ice age and drift, and ocean heat. All datasets will be accessible via the Open Data Portal.

t1p.de/td3wm
December 10, 2025 at 7:34 AM
Reposted by Peter Aldhous
Our infrastructure isn’t ready for what’s coming.
The Bay took over the highway during this morning's #KingTides in Marin.
December 5, 2025 at 12:13 AM
Our @insideclimatenews.org tracker of important federal environmental court cases has been updated to reflect these two losses for the Trump administration in trial court:
(w/ @mlavelle.bsky.social)
insideclimatenews.org/news/0411202...
December 9, 2025 at 4:40 PM
Reposted by Peter Aldhous
It appears that the U.S. Environmental Protection Agency (EPA) has, within the past week, scrubbed a large amount of climate change content from its official website, as well as *removed human-caused warming* from the discussion on its "causes of climate change" page.
December 8, 2025 at 5:50 PM
NEW in @mercurynews.com from our news features class @ucscscicomm.bsky.social, and it's a fun one from @stellamayerhoff.bsky.social:
How a Santa Cruz ‘sea monster’ spawned a century of myth, mystery and scientific discovery
www.mercurynews.com/2025/12/08/l...
How a Santa Cruz ‘sea monster’ spawned a century of myth, mystery and scientific discovery
The discovery In May 1925 provided fodder for the argument between creationists and evolutionary biologists, but what does the science actually say?
www.mercurynews.com
December 8, 2025 at 4:45 PM
Here's the first piece from this year's @ucscscicomm.bsky.social news features class in @mercurynews.com:
Olivia Maule on tracking monarch butterflies with bluetooth tags
www.mercurynews.com/2025/12/06/l...
Would you like to see where the Monarchs are? There’s an app for that.
For the first time in California, citizen scientists can join the effort to track monarch butterflies thanks to Blu+, a new generation of ultra-light tags that communicate using Bluetooth technolog…
www.mercurynews.com
December 7, 2025 at 8:57 AM
Reposted by Peter Aldhous
American Public Health Association (APHA) Executive Director Georges C. Benjamin, MD:

ACIP decision to roll back universal Hepatitis B vaccine schedule recommendations will leave children vulnerable to unnecessary exposure and preventable illness

www.apha.org/news-and-med...
ACIP decision to roll back universal Hepatitis B vaccine schedule recommendations will leave children vulnerable to unnecessary exposure and preventable illness
The Advisory Committee on Immunization Practices’ decision to change the universal Hepatitis B vaccine guidance increases the risk of infection for babies. This recommendation will leave children vuln...
www.apha.org
December 5, 2025 at 5:42 PM
RIP Claude
It's with heavy hearts that we share that Claude, our beloved albino alligator, has passed away at the age of 30. Claude brought joy to millions of people at the Academy and across the world during his 17 year tenure. We will miss him dearly. 🤍
December 3, 2025 at 2:07 AM
Reposted by Peter Aldhous
The Trump administration has renamed the National Renewable Energy Laboratory, now calling it the National Laboratory of the Rockies, an identity shift for the institution that has been a global leader in wind, solar and other renewable energy research.
‘Renewable’ No More: The Trump Administration Renames the National Renewable Energy Laboratory - Inside Climate News
The Trump administration has renamed the National Renewable Energy Laboratory, now calling it the National Laboratory of the Rockies, marking an identity shift for the Colorado institution that has be...
insideclimatenews.org
December 2, 2025 at 8:41 PM