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Giulio Mattioli Profile picture
Giulio Mattioli
@giulio_mattioli
🇪🇺🇮🇹 citizen in 🇩🇪 (with opinions), transport researcher.
2 subscribers
Oct 15 • 8 tweets • 3 min read
This book finally got published today - free for download here

A monumental effort documenting climate obstruction across sectors, countries & governance levels, by 110 @ClimateSSN scholars

I was chuffed to contribute to one of the chapters (thread) cssn.org/news-research/…Image @ClimateSSN The book (edited by Timmons Roberts and colleagues) really covers an impressive amount of ground. Image
Jul 4 • 6 tweets • 2 min read
The German Education Ministry is apparently considering introducing quotas for children with "migration background" in schools.

Under the German definition, this would include my Italian-German, UK-born, 3-language speaking child. zeit.de/politik/deutsc…Image As the article explains, this proposal may well be unconstitutional Image
Jun 20 • 12 tweets • 4 min read
Since Israel attacked Iran, German media outlets & journalists of all political persuasions have started questioning international law and or heralding a new age where the law of the strongest applies in international relationships.

A thread to which I will keep adding / 1 2. The ex editor of Bild, now at far-right website NIUS
May 26 • 18 tweets • 6 min read
How far we've come. A few years ago "transport poverty" was just a niche academic concept.

Last week, the EU has published its recommendations on how to tackle transport poverty, along with a helpful data dashboard

THREAD with my first impressions transport.ec.europa.eu/news-events/ne…Image The reason why "transport poverty" is suddenly getting attention is ETS 2, which is expected to increase motor fuel prices a lot from 2027, and the associated "Social Climate Fund" which aims at supporting groups that are vulnerable to such price increases. Image
Feb 25 • 6 tweets • 2 min read
Who is the guy who is about to become German PM?

A few remarkable things he said & did - THREAD

Exhibit 1 Exhibit 2
Feb 2 • 14 tweets • 4 min read
We recently published the first study to investigate the determinants of air travel behaviour with panel data.

In practice: what factors explain why someone flies more or less a few years later?

THREAD on the main findings link.springer.com/article/10.100…Image We first review existing cross-sectional evidence on the deteminants of air travel - summarised in this table (which the reviewers didn't like so didn't make it into the final paper :) ) Image
Nov 6, 2024 • 4 tweets • 1 min read
Having grown up in Berlusconi's Italy, I can feel it in my bones that when they win the first time, it's tough, but when they win *again*, after all they've demonstrated, *that's* the really hard one to take When it happens the first time, you can think "This is an aberration, this was a tantrum, people don't really stand behind this, this is not who we are". The second time around really brings home that yes, this is what many of "us" are & stand for.
Oct 18, 2024 • 20 tweets • 6 min read
Aviation accounts for 3.5% of climate change impact, and it's one of the sectors where emissions are increasingly most rapidly.

But where do aviation emissions come from?

The answer is in this new paper led by Frédéric Dobruszkes - THREAD doi.org/10.1016/j.jtra…Image [Little pedantic note before we start. For various good reasons the analysis in this paper refers to "fuel burnt", not CO2 emissions. But there is an almost perfect equivalence between the two so it doesn't matter in the end]
Oct 2, 2024 • 4 tweets • 1 min read
When my German-Italian son was born in the UK, with my family name despite us not being married, the German officials initially wanted to give us a passport with the mother's name, despite him having my name on both the UK birth certificate and the Italian passport 🤦‍♂️ There is something deeply amusing (and annoying ofc) in this "We refuse to acknowledge that foreign countries exist" when dealing with foreign countries that you sometimes encounter with Behörde.
Sep 14, 2024 • 11 tweets • 4 min read
Aviation emissions are booming. With climate targets looming, you would expect governments to act. And yet they don't - if anything they work to make sure that emissions increase even further. But why?

The answer is in @verahuwe_'s new article (THREAD) doi.org/10.1080/096922…
Image @verahuwe_ [Disclaimer: there is a lot in this paper, and Vera wrote her own thread here

What I'm doing here is to give my own take on what I found most eye-opening - there is a lot more nuance in the article and you should read it
]
May 14, 2024 • 6 tweets • 1 min read
To me the most striking thing in this chart is how much the Italian saving rate has *declined* over time: from nearly three times as much as the UK in 2000 to less than the UK today And if you know the Italian social system, you know how much of it is based on household savings. Middle-class parents save their whole life to buy a dwelling for their children one day. Young people stay home & save for said dwelling rather than renting, etc.
Apr 16, 2024 • 5 tweets • 2 min read
So the German government has now officially agreed to ditch sectoral emission reduction goals.

Does this mean that transport is now off the hook?

In the short term, maybe, in the long term I believe the opposite will happen (THREAD) In Germany as in the rest of Europe, we are reducing emissions in other sectors while not reducing them (and sometimes even increasing them) in the transport sector.

So each year transport accounts for a higher share of total emissions ⬇️
Feb 14, 2024 • 7 tweets • 3 min read
Fascinating from last week

#Dortmund Police tweets that elderly woman died after being ran over twice on pedestrian crossing

Gets asked if they intend to introduce more controls / cameras

The reply is something out of a textbook on car dependence. Or on how not to do PR Image You can see the exchange for yourselves here
Nov 8, 2023 • 5 tweets • 2 min read
The astonishingly rapid rightward & xenophobic lurch of the German political debate over the last few weeks

A THREAD to which I am afraid I will keep adding

1) 20.10.23
2) 22.10.23

The leader of the Conservatives (first in the polls) Image
Sep 20, 2023 • 14 tweets • 4 min read
Every time car fuel prices go up - whether for taxes or wars - everyone seems to know exactly who suffers the most.

But which areas of Germany are most vulnerable to fuel price increases?

THREAD on my contribution to the Agora Verkehrswende & DLR report on transport poverty Image (the report is available here) agora-verkehrswende.de/veroeffentlich…
Jun 20, 2023 • 20 tweets • 7 min read
Incredibly ill-informed take on car dependence & inequality by "the leading progressive political and cultural magazine in the United Kingdom"

DEBUNKING THREAD [disclaimer: the full article is behind paywall so I am commenting on what's in the thread. There's more than enough wrong stuff there already though]
Jun 17, 2023 • 4 tweets • 1 min read
I am sure many people look at images like this and think about "how hard car drivers have it"

And that kind of twisted perception is one of the most mind-blowing outcomes of car dependence... 🤯 Collectively, car drivers are taking the overwhelming majority of street space in the picture, between what they are legally allowed to take and what they illegally take over.
Jun 17, 2023 • 6 tweets • 2 min read
The problem with "market instruments" to reduce emissions. They are perceived by "economically liberal" voters as "left wing" and not "market" because they are taxes. I think we can say at the least that experts and lay people have rather different understanding of what a "market-based policy" is.

And this ambiguity is where a *lot of politics thrives*.
May 2, 2023 • 13 tweets • 4 min read
Maps showing Germany (or German-speaking countries) being exceptional in Europe: an ongoing THREAD

1. The lowest share of homeowners Image 2. Among the very few places in Europe where men attend university more than women (but careful! It might actually be due to their exceptional, two-track higher education system)
May 1, 2023 • 4 tweets • 2 min read
Good summary of how Germany got to introduce a (slightly) cheaper nationwide public transport season ticket #Deutschlandticket : more by accident, as a result of a tit-for-that between litigious coalition parties, than as part of some visionary plan This sort of measures tend to divide transport experts - no clear consensus here! Here a critical take from public transport research, which I think makes some good points
Apr 11, 2023 • 18 tweets • 7 min read
Some people have high climate emissions from transport but who are they?

In my new paper with @mmbuchs & J. Scheiner we looked into this, focusing in particular on those with high emissions from air travel but not car travel (or vice-versa) doi.org/10.1016/j.erss…

THREAD Image @mmbuchs My initial motivation for this study was the impression (anecdotal + from some studies) that *some* people have very low emissions from their daily travel (as they don't drive), but then *fly a lot*. And I was curious to understand better who they are