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Erik Hansen

@erik-hansen

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

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Latest posts by Erik Hansen @erik-hansen

*Causal* not casual 🀦

And pollutants they measured were PM2.5 and NO2.

13.03.2026 04:04 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Love to see this from SF. I’m going to assume this is from high EV penetration, anyone have insight into local casual effects?

www.theguardian.com/environment/...

13.03.2026 01:20 πŸ‘ 0 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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Accelerating research and innovation for high-potential carbon removal approaches We are inviting applications to Frontier's 2026 Innovation program targeting novel carbon removal approaches and last-mile challenges in ocean alkalinity enhancement, surficial mineralization, and ope...

Applications are open for Frontier’s 2026 Innovation program!
frontierclimate.com/writing/inno...

12.03.2026 21:28 πŸ‘ 1 πŸ” 2 πŸ’¬ 1 πŸ“Œ 0

Same. I put this on when it came out, not knowing much what to expect and was blown away.

10.03.2026 19:33 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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β€˜You’re killing her!’: Witnesses recount horrific Mission Bay crash where 2-year-old died Bystanders tried to lift an SUV after its driver pinned a mother and child in Mission Bay, say witnesses.

Unpopular opinion but turning right at a red light should not be legal in San Francisco (or anywhere else). Right on red makes horrors like this all too possible. sfstandard.com/2026/03/03/m...

04.03.2026 15:39 πŸ‘ 215 πŸ” 35 πŸ’¬ 5 πŸ“Œ 20
An orange traffic cone with the sign "stay in your lane"

An orange traffic cone with the sign "stay in your lane"

Our elementary school carpool lane takes epistemic trespass seriously

03.03.2026 22:58 πŸ‘ 33 πŸ” 6 πŸ’¬ 0 πŸ“Œ 0

Easy, Danny DeVito.

03.03.2026 23:17 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Matches my experience, can't go back. ICE feels like a clunky tractor.

02.03.2026 17:25 πŸ‘ 14 πŸ” 3 πŸ’¬ 4 πŸ“Œ 0
SML at SFJAZZ

SML at SFJAZZ

Delightful SML show at SFJAZZ last night. Noise Pop always comes through.

28.02.2026 19:34 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Previous reports have tips like "consider buying an EV" when, like, I'm on an EV rate! You KNOW we have an EV, half of our energy consumptions is due to EV charging using our EV2-A rate!

27.02.2026 19:17 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Top recommended tips from my PG&E Weekly Home Energy report. "Cook efficiently with a portable induction cooktop."

Top recommended tips from my PG&E Weekly Home Energy report. "Cook efficiently with a portable induction cooktop."

The weekly @pacificgaselectric.bsky.social Home Energy Reports are so frustratingly unhelpful.

Yes, I've already done the PG&E energy audit and told you that my home is all-electric, with an induction stove!

So why surface tips that are utterly unhelpful?

27.02.2026 19:17 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Final EIA-860 is out, and 2025 really did it: 54 GW of new U.S. electric capacity, 96% clean. Solar again carries the offense, and we built more storage in 2025 than the cumulative total through 2023. More and more and more additions... but also record low retirements.

11.02.2026 18:09 πŸ‘ 336 πŸ” 107 πŸ’¬ 10 πŸ“Œ 30
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Found on reddit - the Mighty 33!

11.02.2026 03:28 πŸ‘ 32 πŸ” 10 πŸ’¬ 5 πŸ“Œ 2
White Lexus with Florida plates parked on street and covered with snow.

White Lexus with Florida plates parked on street and covered with snow.

This is why it's helpful to call it "car storage" instead of "parking."

09.02.2026 17:26 πŸ‘ 377 πŸ” 46 πŸ’¬ 5 πŸ“Œ 3

Oooh, please do SF next!

09.02.2026 18:58 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Super Bowl LX logo.

Super Bowl LX logo.

LOVE the Super Bowl logo on the field with combo of Golden Gate Bridge, SF city skyline, and redwood trees. A+. πŸ‘ŒπŸŒ

09.02.2026 00:15 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

bsky.app/profile/erik...

07.02.2026 19:48 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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"But what about China?" has been a throwaway comment made many times to justify inaction on climate change or criticise decarbonisation policies.

Well China is now by far the world's largest manufacturer, installer, and user of clean energy technologies.

06.02.2026 13:42 πŸ‘ 2315 πŸ” 766 πŸ’¬ 102 πŸ“Œ 44
Luna Coffee subscription for January 2026.

Luna Coffee subscription for January 2026.

Another incredible month of coffee from Luna. Same producer, two different cultivars, both amazing and roasted to perfection. β˜•οΈ

07.02.2026 19:13 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Mission Burrito would like to have a word with you. 🌯

07.02.2026 05:49 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

this false spring in the Bay Area on Super Bowl week beginning to piss me off. the very nice weather deprives SF tourists a core local experience: frantically buying a $100 low-quality sweatshirt bc the fog rolled in and they are caught in shorts and a t-shirt

06.02.2026 21:01 πŸ‘ 150 πŸ” 24 πŸ’¬ 5 πŸ“Œ 7
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EVs are already making your air cleaner A study in California finds that even small increases in EVs lead to measurable drops in air pollution at the neighborhood level.

Amazing new study: For every additional 200 electric cars in ZIP codes across California, unhealthy nitrogen dioxide emissions decreased by 1.1 percent. grist.org/solutions/ev...

05.02.2026 00:58 πŸ‘ 46 πŸ” 24 πŸ’¬ 1 πŸ“Œ 0

It's pretty simple, you can care about preserving free curbside parking or you can care about housing costs, homelessness and climate change.

04.02.2026 15:45 πŸ‘ 164 πŸ” 32 πŸ’¬ 4 πŸ“Œ 0

The tyranny of Gargamel and Azrael was real.

04.02.2026 06:17 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Euphoria Bound, by Shackleton 10 track album

New Shackleton album is a wonderful, dubby, zonked out gem. Propulsive but maybe one of his more linear and melodic releases.

samshackleton.bandcamp.com/album/euphor...

02.02.2026 20:44 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

πŸ§‘β€πŸ³πŸ˜˜

30.01.2026 23:07 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Your regular reminder that when folks say "its cold outside where I live, what happened to global warming?" that the world is big, and weather still exists.

23.01.2026 19:39 πŸ‘ 238 πŸ” 77 πŸ’¬ 15 πŸ“Œ 10
Jeremiah Chiu & Marta Sofia Horner at SFJAZZ

Jeremiah Chiu & Marta Sofia Horner at SFJAZZ

Incredible show at SFJAZZ tonight with Jeremiah Chiu & Marta Sofia Horner playing @intlanthem.bsky.social β€˜Different Rooms’ live. A spiritual sound bath experience.

26.01.2026 05:50 πŸ‘ 8 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
Brigit Hirsch, an E.P.A. spokeswoman, said in an email that the agency was still considering the health effects of fine particulate matter and ozone, but was no longer assigning them a dollar value in cost-benefit analyses. β€œWe’re not putting a dollar value on those impacts right now,” she said. β€œThat does not mean E.P.A. is ignoring or undervaluing them.”

Ms. Hirsch did not comment on whether the agency would stop using the value of a statistical life for all regulations beyond clean-air rules. But in general, she said, β€œsaying we aren’t attaching a dollar figure to health effects is like saying we aren’t putting a price tag on clean air or safe drinking water. Dollars and cents don’t define their worth.”

Brigit Hirsch, an E.P.A. spokeswoman, said in an email that the agency was still considering the health effects of fine particulate matter and ozone, but was no longer assigning them a dollar value in cost-benefit analyses. β€œWe’re not putting a dollar value on those impacts right now,” she said. β€œThat does not mean E.P.A. is ignoring or undervaluing them.” Ms. Hirsch did not comment on whether the agency would stop using the value of a statistical life for all regulations beyond clean-air rules. But in general, she said, β€œsaying we aren’t attaching a dollar figure to health effects is like saying we aren’t putting a price tag on clean air or safe drinking water. Dollars and cents don’t define their worth.”

The to understand the rhetorical trick: Saying that the value of a statistical life is too uncertain that you're not going to include it means that you're implicitly assigning it a value of zero.

22.01.2026 22:06 πŸ‘ 26 πŸ” 11 πŸ’¬ 1 πŸ“Œ 1
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S.F. wants to make it easier to plant β€” and remove β€” trees. Here’s why residents are mad Legislation that would change the rules around planting and removing street trees in SanΒ Francisco is teeing up a bitter fight at City Hall.

We had our two street trees in front of our house die (naturally) and we have been waiting YEARS for the city to plant new ones, despite repeated requests.

Unless the city addresses this, our tree canopy will continue to shrink. I don’t see anything shared in this article that will help.

19.01.2026 16:38 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0