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Kees van der Leun

@Sustainable2050@mastodon.energy
mastodon 4.7.3
  • Open on mastodon.energy

Building Common Futures, a new energy transition consultancy.
35+ years of experience in the energy transition.
Posting here on energy, climate & more
100% renewable energy globally by 2050 is possible!
Views my own.
( searchable )

6833 Followers
265 Following
50 Posts
Joined November 11, 2022
Expert in:
the energy transition
Driven by:
the need for climate action
Closely follows:
Ukraine's liberation drive
Lives in:
Utrecht, the Netherlands
Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 2d ago
Boosted by @trending@homestead.social
Trying to teach myself to use https://openstreetmap.org instead of the oligarchs' Google Maps. It's pretty good! Here's the bike route from our Common Futures office to the offices of the Province of Utrecht, for instance. The direction engine GraphHopper does know the cyclists' shortcut.
OpenStreetMap
OpenStreetMap

OpenStreetMap

OpenStreetMap is a map of the world, created by people like you and free to use under an open license.

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1d ago
Boosted by @trending@homestead.social
In primary school (1960s), we learned that mountain areas above 3,000 m altitude in the Alps had eternal snow. I'm afraid we're seeing the end of that. Matterhorn, 4,478 m high, last week. https://www.gelderlander.nl/buitenland/zwitserland-in-rep-en-roer-top-van-iconische-berg-is-kaal-na-warmste-zomer-ooit~a9f3d44b/?referrer=https%3A%2F%2Fgo.bsky.app%2F #ClimateChange #mountains
gelderlander.nl

DPG Media Privacy Gate

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1w ago
Boosted by @trending@homestead.social
On average, the Dutch think that 20% of the people here is Muslim (it's 5%). They overestimate our income tax rate by 28%. They think the number of homicides is on the rise (it's falling). And that agriculture takes 19% of our land area (it's 60%). And they have strong opinions on all of the above. https://fd.nl/opinie/1613390/landbouwland
Landbouwland
FD.nl

Landbouwland

Oordelen zijn vaak vooroordelen, meent columnist Mathijs Bouman. Want weten Nederlanders hoe groot de agrarische sector is?

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 5d ago
Boosted by @trending@homestead.social
Major flash flooding in Spain yesterday. In Madrigueras (Albacete), 142 mm fell in just 2.5 hours, killing one woman, while many others had to be rescued. These "DANA" events are not uncommon, but record warm Mediterranean water now provides further 'fuel' to them. https://www.eltiempo.es/noticias/madrigueras-albacete-bajo-el-agua-tras-caer-142-l-m%c2%b2-una-fallecida-despararecidos-y-graves-danos #ClimateChange #extremeweather #floods
Madrigueras bajo el agua tras caer 142 l/m2
Eltiempo.es

Madrigueras bajo el agua tras caer 142 l/m2

La localidad albaceteña sufrió el viernes una de las riadas más importantes que se recuerdan desde mediados del siglo pasado.

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 3w ago
Boosted by @gvenema@fairmove.net
Glaciologist Matthias Huss shows that the centre of the Great Aletsch glacier in Switzerland (the biggest in the Alps) lost 6 meters(!) of thickness just this summer. "No words...", he adds on LinkedIn. #glaciers #globalwarming #ClimateChange
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 2w ago
Boosted by @trending@homestead.social
Strong advice from a US Senator for Dutch MP Rob Jetten and his government.
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1w ago
Boosted by @trending@homestead.social
The Rhine is in uncharted territory. Normal flow where it enters the Netherlands is around 1,500 m³/s in September. Now it's well below 600 m³/s... and still going down. #ClimateChange #drought
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1w ago
Boosted by @gvenema@fairmove.net
It's 2026, and Morocco gets its first female Prime Minister, while the Netherlands still hasn't ever had one. https://nos.nl/l/2633048
nos.nl
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1w ago
Boosted by @trending@homestead.social
RE: https://mastodon.social/@Kletskous/117332634762615783 The Dutch (on average) think that agriculture - good for 1.4% of GDP - takes up less than 1/5 of our country. In reality, it's over half.
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 3w ago
Boosted by @trending@homestead.social
So sad. Swiss Nestlé and French Auchan and Leroy Merlin stayed in Russia after its full-scale invasion of Ukraine, and diligently paid taxes there to fund Russia's war efforts for 4 years. And now this... https://www.pravda.com.ua/eng/news/2026/09/18/8053993/
Putin seizes Russian assets of Auchan, Nestlé and Leroy Merlin
Ukrainska Pravda

Putin seizes Russian assets of Auchan, Nestlé and Leroy Merlin

Russian ruler Vladimir Putin has signed a decree transferring the Russian assets of Auchan, Nestlé and the former Leroy Merlin chain to a newly established management company.

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 2w ago
Replying to
In the Netherlands, we have the expression 'being offered a cigar out of one's own box'. For a lot of people, this tax break is more like 'your government offers SUV owners and heavy drivers some cigars out of your box'.
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 2w ago
Boosted by @trending@homestead.social
The video that Zuckerberg doesn't want you to see (Meta censored it). Dutch parliament now wants government to investigate how using pervert glasses can be prohibited in public spaces. https://youtu.be/dHKhYL3is5o?is=a2RjzJkQGDj_PjoN

Do META EMPLOYEES like their own META GLASSES?

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1w ago
Boosted by @trending@homestead.social
~426.0 ppm: September average of atmospheric CO2 at Mauna Loa, estimated from daily values. That's another ~1.7 ppm higher than last year. September is the lowest point in the seasonal cycle, and we won't see a value this low (but extremely high) for many generations to come.
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1mo ago
Replying to
And, just to be sure, the AfD immediately thanked Musk for his support: https://www.theguardian.com/world/2026/sep/07/afd-thanks-elon-musk-german-state-elections-2026-win
theguardian.com
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 2w ago
A growing network of fast bicycle routes connects Dutch towns and cities. Regional and local utilities just signed an agreement to have the one between Utrecht and Amsterdam (35 km)* ready by 2028! *) that's 22 miles in peculiar units https://www.ad.nl/de-ronde-venen/moeder-van-alle-fietsroutes-komt-dichterbij-handtekeningen-voor-snelle-fietsverbinding-dom-tot-dam~a381e7685 #Cycling
ad.nl
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 3w ago
Boosted by @trending@homestead.social
Great news from Sweden: with almost all votes counted, the red-green parties have indeed defeated the right-far-right alliance, most probably by 176-173 seats! They will form the government coalition now. https://www.svt.se/nyheter/om/val-2026
SVT Nyheter

Val 2026

Söndagen den 13 september 2026 är det val i Sverige för mandatperioden 2026-2030. Det är riksdagsval i Sverige vart fjärde år. Samma dag kan man rösta i regionval och kommunalval.

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 2w ago
Boosted by @gvenema@fairmove.net
No, the 2026 drought isn't over yet! Historically low water flow in the river Rhine, where it enters the Netherlands: 640 m³/s now, and expected to drop below 600 by the weekend. The lowest ever measured this time of the year was 750 m³/s. Unprecedented, there's that word again. https://waterberichtgeving.rws.nl/owb/waterveiligheid/hoogwater-rijn #ClimateChange #drought
waterberichtgeving.rws.nl

Online Waterberichtgeving | Rijkswaterstaat

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 2w ago
Replying to
And in the middle of fossil fuel supply problems and climate crisis, Germany's federal transport minister (CDU) finds it necessary to make a strong statement against speed limits on German highways. "It makes no sense". Another way to keep demand, prices, and emissions high.
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 2w ago
Replying to
His colleagues at the German federal environment agency @Umweltbundesamt@social.bund.de know better: A speed limit of 120 km/h on highways and 80 km/h elsewhere would save 6,6 millionen tonnes of CO2- emissions and 2.8 billion litres of fuel. https://www.umweltbundesamt.de/themen/verkehr/nachhaltige-mobilitaet/tempolimit
Tempolimit
Umweltbundesamt

Tempolimit

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 4w ago
Boosted by @trending@homestead.social
August 2026 was the hottest on record globally, followed by 2023, 2024, and 2025. The temperature was well over 1.5°C above pre-industrial. From Copernicus ECMWF #globalwarming #ClimateChange
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 2w ago
Boosted by @trending@homestead.social
In the Netherlands, the 2026 summer drought just isn't over yet. Precipitation deficit (evaporation minus rainfall) is going up again in a warm and dry September week, ending the season in the top 5% of driest years on record. At the end of the month, the deficit will be ~3 times higher than in a median year. #ClimateChange #drought
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1w ago
Boosted by @trending@homestead.social
Data centres in the Netherlands used 4.6% of all electricity in 2024, and transmission system operator TenneT expects this to double or triple to 10-15% by 2030! That means that the next 6-11 TWh/year of renewables that will be completed, will go straight to the growth of data centres.
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1w ago
Boosted by @trending@homestead.social
Lowest on record (1866-2026)! The water level in the Rhine keeps reaching new lows. 6.12 m above sea level already was a new all-time low in August, but now we're at 6.06 m, and still going down.
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 3w ago
Boosted by @gvenema@fairmove.net
Replying to
Time to call for more climate action! Today, 13:00, Amsterdam https://klimaatmars.nl/
Klimaatmars 2026 - za 12 sept, 13:00 op de Dam, Amsterdam.
Klimaatmars

Klimaatmars 2026 - za 12 sept, 13:00 op de Dam, Amsterdam.

Zet een dikke cirkel om zaterdag 12 september. Vlak voor Prinsjesdag gaan we massaal de straat op voor een nieuwe Klimaatmars. Onze eis? Breek Los van Fossiele Afhankelijkheid. Geen miljarden naar vervuiling, maar naar een betaalbare, groene toekomst. Ben jij erbij? Meld je aan voor updates of houd deze site in de gaten!

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1mo ago
Replying to
Normally, the AfD would now go after independent judges, media and educators. The legal system is probably hard to change from one state, so media and education first?
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 3w ago
Boosted by @trending@homestead.social
RE: https://social.overheid.nl/@RWSverkeersinfo/117274506139194217 Extremist Dutch farmers created multiple fires next to highways today, endangering traffic. Finally, some arrests were made. Also today, objects like steel pipes were thrown on railways, in 30 different places, bringing trains to a halt. The suspicion is that these terrorists were farmers as well.
Open quoted post
Quoting
Rijkswaterstaat Verkeersinfo
@RWSverkeersinfo@social.overheid.nl
Op verschillende plekken in het land zien we branden langs de snelwegen, zoals hier op de #A2 bij Breukelen. Waar nodig zullen we rijstroken of complete rijbanen afsluiten. Check https://rwsverkeersinfo.nl voor de laatste verkeersinformatie.
Open quoted post
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 2w ago
Replying to
You could balance it a bit by only subsidising the first 50 litres a month, that's €10/month at €0.20 per litre. But then, why not give every household, including those without a car, €10 for mobility? Or only the lower incomes, if this really were about caring about affordability.
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1mo ago
Boosted by @gvenema@fairmove.net
Today, the Trump-Netanyahu mess in the Middle East has driven up EU natural gas price even higher: 77 €/MWh now. When gas-fired power plants set the electricity price in Europe, that's €130 per electric MWh in fuel cost alone. Insulate buildings, electrify processes, grow renewable electricity. #fossilfuels #gas #energytransition
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1w ago
On that record hot summer of 2026, @nrc_nl@mastodon.nl says "get used to it". That's not a very practical advice now we're changing climate at a record rate. Less time to get used to any temporary state of the climate than ever before. #ClimateChange #drought #extremeheat #heatwaves
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1mo ago
Boosted by @trending@homestead.social
89% of Americans now say government corruption is ‘widespread.’ https://www.ms.now/opinion/trump-government-corruption-poll
Opinion | A new poll finds nearly all Americans say government corruption is ‘widespread.’ Blame Trump.
MS NOW

Opinion | A new poll finds nearly all Americans say government corruption is ‘widespread.’ Blame Trump.

The last two years have been full of self-dealing and exploitation of the Oval Office for the president’s personal gain.

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1mo ago
Replying to
Thinking about how this news lands in Ukraine. https://bsky.app/profile/kyivindependent.com/post/3muupxysons2e
Bluesky Social

The Kyiv Independent (@kyivindependent.com)

⚡️Germany's far-right, pro-Russia party on brink of winning majority in key regional election. The latest projections show AfD leading in the eastern state of Saxony-Anhalt with around 44.2% of the vote, a result that could earn the party an absolute majority in the state's 83-seat parliament. https://kyivindependent.com/germanys-far-right-pro-russia-party-on-brink-of-winning-majority-in-key-regional-election/

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 3w ago
Boosted by @trending@homestead.social
Farage's UK far-right party receives record €42 million donation from crypto billionaire. The role of crypto in the tech billionaire push to topple democracy is described in Gil Duran's recent book The Nerd Reich. https://www.bbc.com/news/articles/c3v4zvyde15o
Ben Delo: Reform receives record £36m donation from cryptocurrency billionaire
bbc.com

Ben Delo: Reform receives record £36m donation from cryptocurrency billionaire

Ben Delo's donation, the biggest single sum ever given to a political party in the UK, comes amid scrutiny of Reform's finances.

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1w ago
Boosted by @gvenema@fairmove.net
This is by far the warmest extended summer (June-September) on record for the Netherlands: September is turning into another summer month with an average temperature of 16.7°C (above the already warmed 1991-2020 average for June!). The 4-month average of ~18.65°C is over 0.3°C higher than in 2006. #ClimateChange #heat
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 3w ago
Boosted by @trending@homestead.social
As could be expected, the extremely warm waters of the Mediterranean - due to the record hot summer of 2026 - now lead to unprecedented rainfall, with flooding as a result. 70 mm is more than a month's worth of rain in Valencia, now delivered in 30 minutes. Try adapting to that. #climatechangehttps://www.rtve.es/noticias/20260916/fuertes-lluvias-obligan-avisar-riesgo-poblaciones-mediterraneo-alert/17228248.shtml
Las fuertes lluvias provocan inundaciones en Valencia y Barcelona y obligan a activar mensajes Es-Alert
RTVE.es

Las fuertes lluvias provocan inundaciones en Valencia y Barcelona y obligan a activar mensajes Es-Alert

Las fuertes lluvias provocan inundaciones en Valencia y Barcelona y obligan a activar mensajes Es-Alert

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 2w ago
Boosted by @trending@homestead.social
Two years after its completion (after 17 years of construction, 2007-2024), France's new nuclear power plant Flamanville 3 will shut down for a year starting this coming Saturday. This to replace its faulty reactor lid and for a major first inspection. https://www.france24.com/fr/info-en-continu/20260923-nucl%C3%A9aire-l-epr-de-flamanville-%C3%A0-l-arr%C3%AAt-samedi-pour-sa-premi%C3%A8re-inspection-approfondie
Nucléaire : l'EPR de Flamanville à l'arrêt samedi pour sa première inspection approfondie
France 24

Nucléaire : l'EPR de Flamanville à l'arrêt samedi pour sa première inspection approfondie

L'EPR de Flamanville (Manche) va être mis à l'arrêt pour près d'un an à partir de samedi pour sa première visite complète, qui se traduira pour EDF par des milliers d'opérations dont certaines d'envergure,…

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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1mo ago
Replying to
And that's just the increase in expenditure. Much of the current €11 billion per year is probably already related to climate change too. So make that €200-300 billion, for one aspect of adaptation, in the tiny Netherlands. And it won't stop after 2050 either. Reduce fossil fuel consumption, fast.
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1mo ago
Boosted by @trending@homestead.social
From around 2030, new homes in the Netherlands will have to be ready for the hotter summers of... 2033 🤦‍♂️🤦‍♀️🤦 The summers around 2050, when these homes have been around for just 20 years, are expected to be much hotter than that. https://www.nu.nl/algemeen/6407627/nieuwe-woningen-worden-gebouwd-voor-een-klimaat-dat-niet-meer-bestaat.html
nu.nl
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 4w ago
Boosted by @gvenema@fairmove.net
Replying to
Israeli film on #Gaza receives 25-minute ovation at Venice premiere https://aje.news/lsiejh#update-4939066
aje.news
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Open post
Kees van der Leun @Sustainable2050@mastodon.energy
· 1mo ago
Replying to
The new climate cost estimates are big news today. But then we'll probably kick the can down the road for a few years, and then they'll be back with a vengeance: annual amounts higher, growing steeper. And water situation worse, if we don't rapidly reduce (global) emissions in the meantime.
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Kees van der Leun @Sustainable2050@mastodon.energy
· 1mo ago
Replying to
If the far-left BSW just makes it into the Saxony-Anhalt parliament too (threshold 5%), the two might team up in a pro-Russia majority coalition.
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Kees van der Leun @Sustainable2050@mastodon.energy
· 2w ago
Boosted by @trending@homestead.social
"After a summer that hit hard, Dutch government's silence on climate is deafening". Opinion article by climate scientist and weatherman Peter Kuipers Munneke. https://www.nrc.nl/nieuws/2026/09/17/na-een-zomer-die-erin-hakte-is-de-stilte-over-het-klimaat-oorverdovend-a4936647
Column | Na een zomer die erin hakte is de stilte over het klimaat oorverdovend
NRC

Column | Na een zomer die erin hakte is de stilte over het klimaat oorverdovend

Een zomer als die van 2026 zal over veertig jaar als een koude uitschieter gelden. Waarom praat het kabinet zo weinig over het klimaat?

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Kees van der Leun @Sustainable2050@mastodon.energy
· 1mo ago
Boosted by @trending@homestead.social
"Future generations would rather have a high national debt than an unlivable planet." Sandra Phlippen, ABN Amro bank's chief economist who moved on to become their head of sustainability, in @Trouw@mastodon.nl#ClimateChange
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Kees van der Leun @Sustainable2050@mastodon.energy
· 1mo ago
Replying to
Next question: Who's gonna pay for this, together with all the other adaptation bills coming in and the investments we need to reduce our emissions to zero? The wealthy will try to stay wealthy, and companies will point at their international competition. Government budgets aren't going to get any easier.
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Kees van der Leun @Sustainable2050@mastodon.energy
· 1mo ago
Replying to
That'll be another €132 billion then, up to 2050, assuming linear increase. And, adds Mr Verdaas, even that won't prevent all damage.
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