Lightnews — Scholar-powered news

Søren Have

@sorenhave.dk

3.4K followers 480 following 2.2K posts

Mobility and Infrastructure Lead at green think tank CONCITO. Living in Frederiksberg, Denmark. M.Sc. & PhD (math). Follow me if you are into climate action, transport/mobility and related areas. Here I write mostly in English, but occasionally in Danish.

Posts Media Videos Starter Packs

Pinned

Søren Have @sorenhave.dk · Mar 13

‘Breaking up [with transport infrastructure] is hard to do’ 🎶

But at CONCITO we’re trying to show the path, much inspired by the work of in Wales.

Read our recommendations in this new brief. #dktrp #dkgreen #dkpol concito.dk/en/concito-b...

How do we get mobility that creates more value than it destroys?

Mobility is the potential for movement. That the road is clear if I want to drive. That there is a bus or other public transport running on schedule. That there are safe sidewalks and bike lanes.

concito.dk

2 7 29

Reposted by Søren Have

Giulio Mattioli @giuliomattioli.bsky.social · 22d

This is an absolutely brilliant paper that I can only recommend to all those interested in transport poverty/equity but also in sustainable transport/climate, and on how to reconcile the two.

I can only hope that it will have the impact it deserve
doi.org/10.1016/j.er...

3 19 71

Søren Have @sorenhave.dk · 10h

😱

bsky.app/profile/sore...

Søren Have @sorenhave.dk · 6d

Interesting that the discussion continues. Are people not aware of the below, or do they just pretend not to be?

Triangle illustrating the difficulty in everybody wanting parking that is cheap, vacant and nearby.

Reposted by Søren Have

Tony Jordan @tonyjordan.bsky.social · 10h

In honor of spooky month, share a 4 word horror story that only someone in your profession would understand:

Plenty of free parking.

Natasha Simonova @philistella.bsky.social · 12h

In honor of spooky month, share a 4 word horror story that only someone in your profession would understand:

New library catalogue website.

🏰meg⚔️ @Birthright Audiobook! @impavid.us · 3d

In honor of spooky month, share a 4 word horror story that only someone in your profession would understand

I'll go first: Six page commercial lease.

3 4 17

Reposted by Søren Have

David Zipper @davidzipper.bsky.social · 11h

This is good news.

A few vehicles with Intelligent Speed Assist can have an outsized impact on safety bc they’ll also prevent vehicles behind them from speeding.

www.nyc.gov/site/dcas/ne...

3 14 100

Reposted by Søren Have

Tara Goddard, PhD @drtaragoddard.com · 1d

everyone always likes to blame parking. same as it ever was.

1 1 2

Søren Have @sorenhave.dk · 12h

Home from a performance of Mozart’s Requiem.

Lacrimosa is just 😭😭

Søren Have @sorenhave.dk · 12h

Hmm er det meste IT drift & support ikke offshored? Det kan man jo ikke med drift af veje og baner.

Søren Have @sorenhave.dk · 14h

Præcis. Mange organisationers selvforståelse er at de laver 1) projekter og 2) drift. Taler for at konsolidere (på tværs af mobilitetsformer).

1 1

Søren Have @sorenhave.dk · 14h

Som rapporten også slutter med at anbefale at fokusere mere på, så er der jo masser af asfaltarbejde med at vedligeholde alle de veje som allerede er anlagt 🤷🏻‍♂️

1 2

Søren Have @sorenhave.dk · 15h

Law of diminishing returns, road infrastructure edition.

Cadeau to the Norwegian Finance Ministry for commissioning this type of analysis. We should do the same in Denmark.

(Blue = investments; orange = net benefits)

#dktrp #dkpol #dkøko

Graph of bn NOK road infrastructure investments over time, versus the net benefits

1 2 13

Reposted by Søren Have

Zohran Kwame Mamdani @zohrankmamdani.bsky.social · 1d

It’s pronounced cyclist.

430 3.6K 21K

Søren Have @sorenhave.dk · 1d

Exactly. Probably online shopping and home delivery of food are more to blame.

1 2

Søren Have @sorenhave.dk · 1d

“To constructively move the debate forward, we propose giving up the paradigmatic and polarized approach and instead embracing a multidimensional plurality of imagined growth futures.”

Yes, please! #dkøko

Jacob Hasselbalch @jhasselbalch.bsky.social · 3d

We’re stuck in a false choice between green growth and degrowth.

One promises to fix the planet by growing the economy, the other by shrinking it.

But when you look closer, neither is a coherent political project. And there’s more overlap than most debates admit.

Reimagining growth futures: Overcoming the false binary between green growth and degrowth

When imagining how a green transition can take place, the relationship between economic growth and environmental sustainability is commonly viewed in …

www.sciencedirect.com

Reposted by Søren Have

Søren Have @sorenhave.dk · 6d

Interesting that the discussion continues. Are people not aware of the below, or do they just pretend not to be?

4 4 16

Reposted by Søren Have

cornelban.bsky.social @cornelban.bsky.social · 6d

China is not just building clean energy faster than anyone else. It is trying to become something new.

Call it the electrostate. Still, big caveats loom, says Chris Saltmarsh in a superb @ripejournal.bsky.social article geoeconomic.substack.com/p/party-stat...

Party-State Decarbonisation

The contradictions of China's decarbonisation

geoeconomic.substack.com

1 7

Reposted by Søren Have

David Zipper @davidzipper.bsky.social · 1d

Deep dive into the surge in US pedestrian deaths:

"It’s not that more pedestrians are getting hit by vehicles; it’s that the ones that are getting hit are more likely to die."

"[That] seems like fairly strong evidence for the theory that the rise in large SUVs is behind the uptick in ped deaths."

Why Are So Many Pedestrians Killed by Cars in the US?

It’s unfortunately not uncommon for pedestrians to be killed by cars in the US.

www.construction-physics.com

40 370 1K

Reposted by Søren Have

David Zipper @davidzipper.bsky.social · 2d

Three newly published books argue that cars are destroying society as well as the planet.

Is the world finally ready to rein in the automobile?

My essay, in @bloomberg.com (gift link below)

‘Car Brain’ Is Making the US Unhealthy and Dangerous. EVs Won’t Fix It.

A trio of new books argue that we need to confront the full range of costs that car-based living has imposed on our cities, our health and our society.

www.bloomberg.com

9 140 450

Søren Have @sorenhave.dk · 1d

Retfærdigvis er JP’s leder i dag ret klar:

Søren Have @sorenhave.dk · 1d

The transition has to start somewhere, and it’s great that richer countries like Norway and Denmark have taken the first-mover costs*. Now it will spread fast, due to cost parity.

*: We bought our eGolf for 300k in 2016, with a real range of 100-150km. Now you get twice the range for half the price

Søren Have @sorenhave.dk · 1d

Here’s some examples of the documentation: www.google.com/search?q=hav...

havet er dødt landbruget - Google-søgning

www.google.com

Reposted by Søren Have

Jaap Burger @jaapburger.eu · 2d

Why is the share of EVs among delivery vehicles and light trucks in the Netherlands skyrocketing? Cities.

theicct.org/zez-netherla...

Battery electric share of registrations of new trucks between 3.5 and 12t. Netherlands reaching 75% share in H1 2025.

Battery electric share of registrations of new light commercial vehicles (vans) up to 3.5 t. Netherlands reaching 80% share in H1 2025.

5 10 32

Reposted by Søren Have

Daniel Knowles @dlknowles.bsky.social · 3d

By me this week - the happiest thing I've got to report of late, with a glorious trip over the summer to Montreal

"Forget EVs. Cycling is revolutionising transport."

www.economist.com/internationa...

Forget EVs. Cycling is revolutionising transport

Pedal power is booming, spinning up a new culture war

www.economist.com

13 180 510

Søren Have @sorenhave.dk · 1d

There was, from many years of pressure and recent widespread photo documentation of dead fjords/inner waters, a huge pressure to reduce nitrates. The farmers understood/had realised that.

And then 40 bn DKK (~€5.3 bn) was thrown in to take out land.

Read more here: concito.dk/concito-blog...

Political Agreement Paves the Way for a Greener Denmark

Denmark has taken a bold step toward achieving its climate and environmental goals with the Agreement on a Green Denmark, also known as the "Green Tripartite Agreement”. The political agreement on Imp...

concito.dk

1 3

Reposted by Søren Have

Jarrett Walker @humantransit.bsky.social · 2d

California legalizes life near public transit! Governor Newsom has signed SB 79. My thoughts: humantransit.org/2025/10/cali...

California Legalizes Life Near Public Transit — Human Transit

OK, the headline is a little exaggerated, but California’s Senate Bill 79, authored by Senator Scott Wiener and just signed by Governor Newsom, is a game-changer. It prohibits most cities from forbid...

humantransit.org

7 46 240

Reposted by Søren Have

David Roberts @volts.wtf · 2d

Newsom signed SB79! So, so huge. Enormous props to all the people who worked so hard, for so long, to make this happen, above all @scottwiener.bsky.social. It's going to change California, and the country.

Governor Newsom Signs Senator Wiener’s Landmark Law To Build More Homes Near Public Transit

Official website of Senator Scott Wiener, representing California Senate District 11.

sd11.senate.ca.gov

5 67 450