気候変動の緊急性に目覚めた市民。 文明システム設計家（自称）。 残り時間は少なく、大規模システムチェンジが不可避と考えます。 note https://nitter.cf/t.co/NXX68kSIKR substack https://nitter.cf/t.co/y35JCEyaM6 bsky https://nitter.cf/t.co/YhdAJ6wwod
日本
Joined January 2010
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People are dying in a war no one is fighting. The weapon is CO₂.
Today’s emissions lock in about 1 future death every 2 seconds (estimate) — World War II’s toll in under 5 years.
But it can still change.
1/ 🧵
People are dying in a war no one is fighting.
No gunfire, no bombs — just CO₂.
The deaths today’s global emissions lock in for the future:
・about 1 every 2 seconds
・about 17 million a year (estimate)
・matching World War II’s toll in under 5 years
But it can still change.
Cut emissions 7% a year (roughly a 2 °C path) and about 220 million lives are saved by 2050.
I built a site to see it, try it, and bring it down to your own day.
🔗 tamorist.github.io/slow-war/
● A live counter, compared with history’s wars
● A simulator you can change yourself
● Your day, multiplied by everyone on Earth
● Beyond carbon: food, forests, water and the Amazon
● Every number sourced
Not to blame anyone — to see what can change.
📝 Full story: ttmori.substack.com/p/the-wa…
Tatsuya Mori retweeted
As someone who worked in the sector for a stint - academia is dead and buried.
Our universities are run like corporations now, they're no different to work at than your run-of-the-mill Fortune 500.
We need a revolution in academia.
Tatsuya Mori retweeted
Academia has a lot of reckoning to do. A LOT. Need to build up bottom-up power, unions etc to counter the top-down neoliberal managers, all too inclined to bootlick fascists.
なかなか興味深い動画があったのでシェアします。（食の経済学）
対策の優先順位としてはまずは肉食を減らすのが最重要の筈だし、証拠のデータ等があまり無いなどの課題もありますが、考え方としては重要な視点では無いかと思いました。
👇
youtube.com/watch?v=2WdGvF9z…
Tatsuya Mori retweeted
.
The global AI adoption gap might surprise you
This chart from BCG's AI At Work 2025 survey shows the share of the workforce using AI several times a week, and the results turn traditional tech expectations on their head
Emerging markets lead: India and the Middle East are at the absolute forefront, with adoption rates soaring well above 80%. Brazil follows closely behind at nearly 76%.
Developed economies lag: Developed nations like the UK, Germany, and the US sit much lower in the 60-70% range.
The Japan anomaly: Japan ranks the lowest among the group, with barely 50% of its workforce integrating AI into their weekly routine.
While developed economies often pioneer the underlying technology, emerging markets are implementing it into daily work at a much faster pace.
We must face reality and consider what truly needs to be done.
Don’t forget—we are running out of time...
👇
tamorist.github.io/
2025 GHG EMISSIONS INCREASED 50% FROM 1990, MORE FOSSIL CO2
GHG emissions have been increased about 54% from 1990.
Fossil CO2 proportion was 60% in 1990, 68% in 2025.
UNEP Emissions Gap Report, 2026.
unep.org/en/publications/rep… #emissions #climatechange #CO2 #globalwarming
About 70% of all fossil CO₂ was emitted in the last 50 years. Humanity now uses 1.7 Earths. The richest 10% cause about half of emissions — and own three-quarters of the wealth.
We don’t need more. We need to share what’s enough.
nitter.cf/ttmori/status/21175803…
4/ 🧵
#ClimateChange #Decarbonization #Degrowth
Climate change isn’t just a tech problem. It’s an economic one.
● ~70% of all fossil CO₂ was emitted in the last 50 years
● Humanity uses 1.7 Earths
● The richest 10% cause ~half of emissions and own ~¾ of wealth
“Renewables overtook coal” is about electricity; fossil fuels still supply ~80% of world energy. Even if every pledge is kept, 2035 cuts reach only about a fifth of what 1.5°C needs.
Yet humanity as a whole already has enough food and wealth. What we need isn’t more — it’s an economy that shares what’s enough fairly, and binding rules to get there.
All on one page, with data and sources:
tamorist.github.io/enough/
● A gateway site for climate-related resources (including the four mentioned above)
👇
tamorist.github.io/
● My Other Projects / etc.
👇
nitter.cf/ttmori/status/21046243…
5/ 🧵
[1/ 🧵]
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[Call for Signatures: A Youth-Led Global Citizens' Congress]
With the recent global rise in severe heatwaves and natural disasters, the impacts of climate change have become undeniably visible.
However, this is merely the beginning; without adequate action, we risk facing a crisis within the next 20 to 30 years that could threaten the very survival of our civilization.
When we consider the limited time remaining to achieve net-zero CO2 emissions, it is clear that resolving the climate crisis brooks no delay.
This challenge demands large-scale, global societal transformation.
Yet, the world's current rigid political systems and existing processes for reconciling competing interests are wholly incapable of achieving such a transformation in time.
To break free from the constraints of current politics and drive change forward, we have launched a petition urging world leaders to establish a "Youth-Led Global Citizens' Congress."
By gathering voices, we can make the will of global citizens visible and mobilize a world that has become stagnant.
👇 Please help us secure a hopeful future by signing and sharing the petition at the link below! ❗️🙏🌍
● Change .org (Global Petition Platform)
(English version)
nitter.cf/ttmori/status/21028193…
(Japanese version)
nitter.cf/ttmori/status/21038209…
● We don't have time (Global Climate Action Network)
(English version)
nitter.cf/ttmori/status/21045703…
(Japanese version)
nitter.cf/ttmori/status/21045657…
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👇 Other Projects / Links / etc.
nitter.cf/ttmori/status/20929258…
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#ClimateChange #Decarbonization #Degrowth
Climate change isn’t just a tech problem. It’s an economic one.
● ~70% of all fossil CO₂ was emitted in the last 50 years
● Humanity uses 1.7 Earths
● The richest 10% cause ~half of emissions and own ~¾ of wealth
“Renewables overtook coal” is about electricity; fossil fuels still supply ~80% of world energy. Even if every pledge is kept, 2035 cuts reach only about a fifth of what 1.5°C needs.
Yet humanity as a whole already has enough food and wealth. What we need isn’t more — it’s an economy that shares what’s enough fairly, and binding rules to get there.
All on one page, with data and sources:
tamorist.github.io/enough/
#気候変動 #脱炭素 #脱成長
気候変動は、技術だけでなく、経済の仕組みの問題でもあります。
● 化石燃料の CO₂ の約7割は、この50年に出された
● 人類は地球1.7個分を使っている
● 上位10%が排出の約半分を出し、資産の約4分の3を持つ
「再エネが石炭を超えた」は電気の話で、世界のエネルギーの約8割はいまも化石燃料。各国の約束をすべて守っても、2035年の削減は1.5℃に必要な量の5分の1ほどです。
それでも、人類全体では食べ物も富も、すでに足りています。必要なのは「もっと」ではなく、「足りる」を公平に分け合う経済と、それを実現する強いルール。
データと出典つきで、1ページにまとめました。
tamorist.github.io/enough/?l…
Hey, citizens of the world—
It’s time to wake up, or else they’re going to end up burning the planet to a crisp...
These criminals are laughing their heads off as the world roasts and governments - including the UK's - do absolutely nothing to rein them in
They should be in jail, but instead they are popping the champagne corks
theguardian.com/business/202…
気候危機をテーマにしたサイトを、ひとつの入口にまとめました。
🌍 ClimateWatchMan
tamorist.github.io/?lang=ja
ひとつにつながった問題を、3つの入口から。おすすめの順番は：
1️⃣ 臨界点の手前で — 全体像をつかむ
炭素予算、ティッピング・ポイントとその連鎖。「主流」と「危険側」の見方を切り替えて比べられます。
2️⃣ 静かな戦争 — 命の数で実感する
いまの排出が、将来どれだけの命を奪うことになるのか。
3️⃣ 830億の理由 — 食卓から変える
動物・地球・健康のために。まずは肉を半分に。
数字にはすべて出典をつけ、私たちの概算にはそう書いています。
#気候変動 #気候危機 #ティッピングポイント
I built a one-page map of the whole climate crisis.
🌍 Before the Tipping Point
tamorist.github.io/tipping-p…
Warming isn’t only gradual. Past certain points, ice sheets, ocean currents and forests change abruptly, in chains, and irreversibly.
▶ The carbon budget
About 135 Gt of CO₂ is left before 1.5°C — roughly 3 years at today’s pace. A live counter shows it falling by ~1,330 tonnes every second.
▶ Tipping points
Many lie between 1.5 and 2°C, and we are already at ~1.4°C. Move the temperature slider to see which of 14 tipping points enter the danger zone. Warm-water coral reefs have already been judged past theirs.
▶ Feedbacks and cascades
Permafrost collapse alone could release 3–5× the remaining 1.5°C budget. Tip Greenland in the interactive diagram and watch the Atlantic circulation weaken and Antarctica destabilise.
▶ Two views
Switch between the mainstream outlook (IPCC, UNEP) and the high-risk view — Hansen et al.’s accelerated warming and Anderson et al.’s stricter carbon budgets. In the high-risk view, about a year is left for 1.5°C.
▶ Why it doesn’t stop, and what we can do
Rules that make emitting pay, a crisis made hard to see, and the twin traps of “there’s still time” and “it’s too late.” And why every 0.1°C still matters.
Every number is sourced; our own estimates are labelled.
Sister sites: The Slow War and 83 Billion Reasons.
#ClimateCrisis #TippingPoints #CarbonBudget #ClimateChange
気候変動の「全体の地図」を、1ページのサイトにしました。
🌍 臨界点の手前で
tamorist.github.io/tipping-p…
温暖化は「少しずつ」進むだけではありません。ある点を越えると、氷床や海流や森が、急に・連鎖的に・元に戻らない形で変わりはじめます。
▶ 炭素予算
1.5℃までに残された CO₂ は約1,350億トン。いまのペースで、あと約3年分。1秒に約1,330トンずつ減っていく様子をリアルタイムで表示しています。
▶ ティッピング・ポイント
臨界点の多くは1.5〜2℃の範囲にあり、私たちはすでに約1.4℃。気温を動かすと、14の臨界点のどれが危険域に入るかが分かります。暖かい海のサンゴ礁は、すでに臨界点を越えたと評価されました。
▶ フィードバックと連鎖
永久凍土が崩れた場合に出うる炭素は、1.5℃の残り予算の約3〜5倍。グリーンランドの氷が融けると大西洋の海流が弱まり、南極の氷も不安定になる——そんな「ドミノ倒し」を図で試せます。
▶ 2つの見方
主流（IPCC・UNEP など）と、危険側（ハンセンらの「温暖化は加速している」、アンダーソンらのより厳しい炭素予算）を切り替えて比べられます。危険側では、1.5℃の残りはあと約1年分です。
▶ なぜ止まらないのか、何ができるのか
「排出したほうが得」な経済のルール、見えにくくされる危機、「まだ時間がある」と「もう手遅れ」という2つの罠。そして、0.1℃ごとに意味があること。
数字にはすべて出典をつけ、私たちの概算にはそう書いています。
姉妹サイト「静かな戦争」「830億の理由」とあわせて、ぜひ。
#気候変動 #気候危機 #ティッピングポイント #カーボンバジェット
#気候変動 #気候危機 #脱炭素
気候変動シリーズの導入記事を書きました。
● 地球で何が起きているのか（臨界点と連鎖）
● なぜ排出が止まらないのか（経済と政治のルール）
● なぜ危機は見えにくいのか（公式見通しの保守性と無行動の罠）
の3層から、気候危機の全体像と構造を1本で整理しています。
ぜひご一読ください。
👇
【まずはこれから】気候危機の全体像――「何が起きているのか」「なぜ止まらないのか」「何を変えるべきか」を1本で｜ClimateWatchMan @ttmori note.com/ttmori/n/n6f31ff35f…
当たり前の事実を受け入れましょう🫡
以前に書いた気候変動の説明記事が少し長すぎたので、短くまとめたものを書きました。
全体像を一瞥できるのではと思います。
👇
[まとめ記事] 気候危機とは何か――私たちはなぜ「地球システムの転換点」に立っているのか｜ClimateWatchMan @ttmori note.com/ttmori/n/nde3312253…
![[まとめ記事] 気候危機とは何か――私たちはなぜ「地球システムの転換点」に立っているのか｜ClimateWatchMan](https://pbs.twimg.com/card_img/2116900950518722560/FRVBvQG5?format=jpg&name=800x419)
#ClimateAction #PlanetaryHealthDiet #EatLessMeat
Every year, 83 billion land animals are killed for food.
I built a single page on why to eat less meat, covering animals, the planet and health, and how to start without strain.
The goal isn’t veganism.
First, halve your meat. Later, eat 70% less.
A few things surprised me while researching it:
● Using Japanese per-person averages, the emissions from eating meat are about the same scale as owning a private car. And unlike cars, almost everyone eats meat.
● Eating less meat cuts methane right away. Methane fades within about a decade or two, so the effect shows up fast. In the race against climate tipping points, it’s one of the few ways to buy time.
● The diet that’s good for both the planet and you (EAT–Lancet) includes about 43 g of meat a day. The Japanese average (about 93 g) is roughly double that.
At today’s levels of meat eating, a sustainable planet doesn’t add up. The problem isn’t meat itself. It’s how much.
This page isn’t about blaming anyone. Every number links to its primary source, and our own estimates are clearly labeled.
83 Billion Reasons (Available in English and Japanese)
tamorist.github.io/83-billio…
