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Erik Hansen

@erik-hansen.bsky.social
208 followers 159 following 153 posts

Chief Sustainability Officer @Workday. Live in SF. All opinions my own.

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Reposted by Erik Hansen
Idothethinking @idothethinking.bsky.social · 12/10/2026
The East Bay Times editorial against Measure RTM is so bad I had to refute it. Bad argument after inaccurate statement and then completely ignoring AC Transit's existence because it disproves their core argument that cuts over service improves transit. darrellowens.substack.com/p/voting-aga...
substack.com
Voting Against The Bay Area Transit Measure Is a Fatal Mistake
The East Bay Times and Mercury News Editorial Board write a bad column on the transit tax measure.
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Erik Hansen @erik-hansen.bsky.social · 12/10/2026
His first record, signed by the band! 🖊️
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Erik Hansen @erik-hansen.bsky.social · 12/10/2026
Translates so well live, their second album is so good 👌
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Erik Hansen @erik-hansen.bsky.social · 12/10/2026
Thee Marloes at The Chapel tonight, OG’s first intimate venue concert (I think?).
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Reposted by Erik Hansen
Kevin J. Kircher @kevinjkircher.com · 06/10/2026
I knew gas cooking released pollutants that increase risks of cardiovascular diseases and cancers, but this was new to me: In a new study, 68% of gas-fired commercial kitchens exposed cooks to unsafe temperatures >90 °F, and 53% to temps >100 °F. All electric kitchens studied stayed at safe temps.
iopscience.iop.org
Combustion-derived air pollution and heat from gas-fired appliances in commercial kitchens can exceed health-based guidelines
Combustion-derived air pollution and heat from gas-fired appliances in commercial kitchens can exceed health-based guidelines, Kashtan, Yannai S, Lebel, Eric D, Lucha, Nicole, Finnegan, Colin, Huang, Gan, Sparks, Tamara L, Shankute, Abenezer, Saporito, Antonio F, Galarza, Christopher A, Jackson, Robert B, Shonkoff, Seth B C, Michanowicz, Drew R
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Erik Hansen @erik-hansen.bsky.social · 06/10/2026
We really should be celebrating this incredible progress more, even as work continues to bring this rate down further.
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Reposted by Erik Hansen
Zahra Hirji @zhirji.bsky.social · 02/10/2026
What does the Senate permitting deal mean for US climate emissions? Some early modeling and several experts told me + @leslieatlarge.bsky.social the reforms are likely to slash US greenhouse gas emissions. Full story @bloomberg.com, with gift link: www.bloomberg.com/news/article...
bloomberg.com
What the Senate Permitting Deal Means for US Climate Emissions
Experts say the bill, which would speed clean-energy and fossil-fuel projects alike, would probably reduce greenhouse gas emissions overall.
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Erik Hansen @erik-hansen.bsky.social · 29/09/2026
Reminds me of @volts.wtf "one weird trick" to pass climate policy: www.vox.com/energy-and-e...
vox.com
This one weird trick can help any state or city pass clean energy policy
A political strategy that actually works.
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Reposted by Erik Hansen
John Smillie @johnsmillie42.bsky.social · 25/09/2026
Thread on solar decommissioning 1/n insideclimatenews.org/news/2501202...
1. For Copper Box Solar, Engie is required to submit a decommissioning plan and secure a surety bond for costs before construction begins. This is common. Engie's plan revolves around soil preservation - bare minimum of grading (which is expensive anyway and which modern racking techniques avoid), native vegetative cover, and the ability to return the land to crop production at end of project live in around 30 years if the landowner desires.
2. While rules vary from place to place, overwhelmingly the rules are clear that "The developer or the owner is responsible for restoring the land once a project is no longer operating"
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Erik Hansen @erik-hansen.bsky.social · 25/09/2026
Full article from @dangearino.bsky.social: insideclimatenews.org/news/1009202...
insideclimatenews.org
How California Is Kicking Its Natural Gas Habit - Inside Climate News
Solar and batteries matter, but they’re not the only reasons for the steep decline in gas-fired electricity.
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Erik Hansen @erik-hansen.bsky.social · 25/09/2026
Incredible illustration of impact of battery growth in CA. This is two different annual summer peak days, 4 years apart. Clean energy + batteries FTW. ☀️🔋⚡️
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Reposted by Erik Hansen
Jake Anbinder @jakeanbinder.bsky.social · 24/09/2026
can't believe the car that runs on millions of tiny explosions transmitting energy through a complex series of oily metal parts doesn't last as long as the one that's four wheels attached to a battery
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Erik Hansen @erik-hansen.bsky.social · 22/09/2026
Does me taking a plane to Climate Week NYC today still count? 🧐
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Erik Hansen @erik-hansen.bsky.social · 21/09/2026
Welp, flight to Newark for Climate Week NYC canceled due to a New Jersey construction mishap??? "The FAA halted flights at busy East Coast airports in New ​York, Philadelphia and Boston on Monday, saying a fiber cable ‌was accidentally cut at a construction site in New Jersey."
reuters.com
US halts flights at busy East Coast airports, says fiber line cut at construction site
The Federal Aviation Administration halted flights at busy East Coast airports in New ​York, Philadelphia and Boston on Monday, saying a fiber cable ‌was accidentally cut at a construction site in New...
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Erik Hansen @erik-hansen.bsky.social · 21/09/2026
Happy September 21st to all who celebrate. 🗓️ 🌎💨🔥🎶 www.youtube.com/watch?v=Gs06...
youtube.com
Earth, Wind & Fire - September (Official HD Video)
YouTube video by EarthWindandFireVEVO
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Reposted by Erik Hansen
Paul Ford @ftrain.com · 16/09/2026
hey I heard you like sankey diagrams that show huge populations making terrible decisions
A very complicated Sankey diagram showing the usage of electricity in the United States. Or the left are sources of energy and on the right are consumers, so, for example, nuclear is on the left and residential is on the right. Petroleum dominates.
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Reposted by Erik Hansen
Eric Panzer @ericpanzer.bsky.social · 16/09/2026
There is very little in this world that makes me more cynical about our ability to deal with climate change (or do anything hard, really) than the people who were chanting "shame" at the Berkeley City Council meeting just now because the City Council approved a bike lane in July
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Erik Hansen @erik-hansen.bsky.social · 15/09/2026
More housing please.
static.klipy.com
We Need More Housing: Missing Middle Types
ALT: We Need More Housing: Missing Middle Types
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Reposted by Erik Hansen
Richard Waite @waiterich.bsky.social · 08/09/2026
“Every fraction of a degree of warming avoided means lives saved” is going to remain a true statement for the rest of our lives
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Erik Hansen @erik-hansen.bsky.social · 08/09/2026
Ate at the Mess Hall and played washers with the family atop Presidio Tunnel Tops in gorgeous sunshine with view of the Golden Gate 🌁 ☀️. September in SF is the best.
Family playing washers on field near Mess Hall at Presidio Tunnel Tops.View of Golden Gate Bridge from Presidio Tunnel Tops.
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Reposted by Erik Hansen
Adam Rogers @jetjocko.bsky.social · 05/09/2026
Bike lanes increase the number of cyclists, reduce air pollution and improve community health, reduce street noise, help fight climate change, and according to every study are either neutral on or bring more money to adjacent businesses.
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Erik Hansen @erik-hansen.bsky.social · 05/09/2026
Our next door neighbors and tenants are great & they will try not to park in the couple of spots that our charging cable can reach in front of our house. Sometimes they do just to “save” the spot for us then switch with us when we get home. Community 🤝 ⚡️
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Erik Hansen @erik-hansen.bsky.social · 04/09/2026
Our next door neighbors did, but only because it can be a challenge charging at home when you don’t have a garage (very common in SF). But they are planning to get another EV soon :-)
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Reposted by Erik Hansen
ClimateFran @climatefran.bsky.social · 02/09/2026
A lot of ink has been spilled on RCP-8.5, but its worth pausing and celebrating just how dramatically the high-end tail of emissions scenarios has changed over ~15 years. Genuine technological and policy progress on climate, reflected in the set of futures we can imagine
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Erik Hansen @erik-hansen.bsky.social · 01/09/2026
Spend any time on Nextdoor in SF and it is abundantly clear that residents will do anything in their power to stop anything & everything remotely transit related (even if it would *help* car drivers, like say, dedicated rapid bus lanes). It's utterly depressing.
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Reposted by Erik Hansen
Ned Resnikoff @resnikoff.bsky.social · 01/09/2026
"Why does San Francisco still have so much car traffic?" I ask as I cast my vote on the 53rd ballot box attempt to de-pedestrianize the Great Highway.
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Reposted by Erik Hansen
Akshat Rathi @akshatrathi.bsky.social · 01/09/2026
What is that sound? It's the noise that of a million "what about" brains exploding. 🎁🔗 www.bloomberg.com/news/article...
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Erik Hansen @erik-hansen.bsky.social · 23/08/2026
We gave up on the city doing anything and just had our arborist plant two new trees. bsky.app/profile/erik...
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Reposted by Erik Hansen
Ned Resnikoff @resnikoff.bsky.social · 20/08/2026
It's impossible to overstate how bad organizing our entire society around cars has been for our children. giftarticle.ft.com/giftarticle/...
giftarticle.ft.com
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Reposted by Erik Hansen
Johnny Normality (Spooky Mode) @probgobl.in · 14/08/2026
EVERY STORY ABOUT BEAVERS FOR THE LAST DECADE READS LIKE: WE RELEASED A DOZEN PADDLE TAILED LITTLE FREAKS AND THEY IMMEDIATELY BEGAN A TERRAFORMING PROJECT THAT REVERSED A CENTURY OF ECOLOGICAL DAMAGE IN THREE WEEKS.
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Reposted by Erik Hansen
Rebecca Solnit @rebeccasolnit.bsky.social · 18/08/2026
Incredible chart here. The cows are drinking the river dry. Ag is 79% or was then; livestock is 55% of that.
nytimes.com
The Colorado River Is Shrinking. See What’s Using All the Water. (Published 2023)
Hint: It’s less about long showers and more about what’s for dinner.
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Reposted by Erik Hansen
California Energy Commission @calenergy.bsky.social · 11/08/2026
California says it can go 100% clean energy -- but what happens when the sun goes down - or when energy use spikes? Historically, that's when fossil fuels were needed most. Now? It's batteries. CONT'D
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Reposted by Erik Hansen
ryan cooper @ryanlcooper.com · 12/08/2026
“I was shocked that even scrapping a hybrid gives big climate benefits,” www.anthropocenemagazine.org/2026/08/when...
anthropocenemagazine.org
When should you scrap your gasoline car? The answer is almost certainly now.
Researchers calculated the carbon footprint of vehicle trade-ins across a wide variety of scenarios, and EVs emerged as the clear winner
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Erik Hansen @erik-hansen.bsky.social · 11/08/2026
I'll be there! Superpollutant Action Summit on Wednesday: beyond-alliance.org/our-work/sup...
beyond-alliance.org
Superpollutant Action Summit
Superpollutant Action Summit Wednesday, September 23 · 9:00–18:00 Midtown NYC (exact location provided upon registration) Register your interest here Home Superpollutant Action Summit Tackling superpo...
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Erik Hansen @erik-hansen.bsky.social · 11/08/2026
We traded our mid-century O'Keefe & Merritt for an induction cooktop. Going from disassembling heavy iron grates and scrubbing endless grease traps to basically wiping down a windowpane in 5 seconds feels like living in the future.
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Reposted by Erik Hansen
Joey Politano🏳️‍🌈 @josephpolitano.bsky.social · 06/08/2026
June US transit data is in today, & all of the 10 largest US rail networks are growing! SF is seeing a real boom, with ridership up 16% on Muni & 14% on BART SEPTA (Philly, 9.1%) and PATH (NY/NJ, +8.7%) are also seeing strong growth, while MTS (San Diego, +1.4%) is the slowest🧵
a graph of ridership growth in the 10 largest US urban rail networks
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Reposted by Erik Hansen
Our World in Data @ourworldindata.org · 03/08/2026
The largest cause of deforestation is, and has been, the expansion of farmland. But the production of which products, in particular, has been driving this in recent decades? A recent study, published in Nature Food by Chandrakant Singh and Martin Persson, answered this question.
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Reposted by Erik Hansen
David Ho @davidho.bsky.social · 29/07/2026
Replace your gas stoves with electric, preferably induction. The Trump regime canceled an $18 million EPA grant to study replacing gas stoves in 1,200 homes of asthma sufferers. Researchers published results from 85 homes, showing significant asthma relief and health impacts of gas stoves.
wapo.st
The EPA halted a study on gas stoves and asthma. But even partial results were striking.
Research that used a federal grant to pay for asthma patients to have their gas stoves replaced showed a dramatic fall in asthma attacks. The program was cut short after President Donald Trump took of...
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Erik Hansen @erik-hansen.bsky.social · 29/07/2026
Came here to share this! ⬆️ 🍻
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Erik Hansen @erik-hansen.bsky.social · 29/07/2026
For those of us in our 40s with older parents, it’s already happening and agree, buckle up. I hope you have the support you need! Always easier with friends/family to bounce ideas off of or just lend an ear. ❤️
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Reposted by Erik Hansen
David Ho @davidho.bsky.social · 20/07/2026
Stories about people and communities doing things for climate and the environment are important not because these efforts are enough by themselves, but because they signal to likeminded people that there are others like them.
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Erik Hansen @erik-hansen.bsky.social · 19/07/2026
Nearly one year later, after he caught up on every Star Wars movie plus Mando, I’m proud to say that tonight we watched Spaceballs together and the 8 yr old LOVED it.
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Erik Hansen @erik-hansen.bsky.social · 14/07/2026
You love to see it. 🚗⚡
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Erik Hansen @erik-hansen.bsky.social · 14/07/2026
music.apple.com/us/album/oop...
music.apple.com
OOPS! by Booker Stardrum & Evan Shornstein on Apple Music
Album · 2026 · 12 Songs
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Erik Hansen @erik-hansen.bsky.social · 14/07/2026
suddenquarterly.bandcamp.com/album/oops
suddenquarterly.bandcamp.com
OOPS!, by Booker Stardrum, Evan Shornstein
12 track album
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Erik Hansen @erik-hansen.bsky.social · 14/07/2026
Been jamming the new album by Booker Stardrum & Evan Shornstein (aka @photay.bsky.social) and it is such a meld of two artists that I adore. Hypnotic percussion, delightful earworm melodies, & a balance of restraint yet zigs just when you think it will zag. Such a fun album to return to repeatedly.
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Erik Hansen @erik-hansen.bsky.social · 14/07/2026
Dismayed to learn my home neighborhood of Potrero Hill has been wiped from the map of, uh, the *island* of San Francisco.
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Nicolas Fulghum @nicolasfulghum.bsky.social · 09/07/2026
Solar's sharp rise continues. As of April 2026, global solar capacity now exceeds 3 terawatt. 1 gigawatt → 1 terawatt: 20+ years 1 terawatt → 2 terawatt: 33 months 2 terawatt → 3 terawatt: 19 months
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Men in Blazers Media Network @meninblazers.bsky.social · 07/07/2026
MOOD 🇺🇸🦅🧇
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Erik Hansen @erik-hansen.bsky.social · 04/07/2026
We are all Cape Verdean. 🇨🇻
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