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Data Vis Dispatch, October 28: Cats, deals, and uncertainty

The best of last week’s big and small data visualizations
Portrait of Veronika Halamková
Veronika Halamková

Welcome back to the 216th edition of Data Vis Dispatch! Every week, we’ll be publishing a collection of the best small and large data visualizations we find, especially from news organizations — to celebrate data journalism, data visualization, simple charts, elaborate maps, and their creators.

Recurring topics this week include behaviors of cats, business deals, and uncertainty.

This week, we start off with diagrams of business deals in the worlds of AI and banking.

The Wall Street Journal: <a href="https://www.wsj.com/tech/ai/is-the-flurry-of-circular-ai-deals-a-win-winor-sign-of-a-bubble-8a2d70c5?mod=e2twg"><strong>Is the Flurry of Circular AI Deals a Win-Win—or Sign of a Bubble?</strong></a>, October 22
The Wall Street Journal: Is the Flurry of Circular AI Deals a Win-Win—or Sign of a Bubble?, October 22
Bloomberg: <a href="https://www.bloomberg.com/graphics/2025-europe-bank-m-a-deals/"><strong>Europe’s Banks Are Finally Merging. Just Not as You Think</strong></a>, October 27
Bloomberg: Europe’s Banks Are Finally Merging. Just Not as You Think, October 27

Russia's war in Ukraine continues to have consequences on both sides, with soldiers losing lives and civilians losing sleep.

SPIEGEL: Die Archivare des Todes [The archivists of death], October 23
Texty.org.ua: Як війна впливає на сон українців: наукове дослідження безсоння [How war affects Ukrainians' sleep: scientific research on insomnia], October 28

In South America, the headlines covered elections in Argentina, criminal gangs in the Amazon, and a decrease in deforestation.

LA NACION: Los resultados de las elecciones legislativas en todo el país [The results of the legislative elections across the country], October 27
InfoAmazonia: <a href="https://infoamazonia.org/2025/10/21/amazonia-sob-ataque-67-dos-municipios-tem-a-presenca-de-faccoes-criminosas/?utm_source=bluesky&amp;utm_medium=InfoAmazonia&amp;utm_campaign=publer"><strong>Amazônia sob ataque: 67% dos municípios têm a presença de facções criminosas</strong></a><strong> </strong>[<em>Amazon under attack: 67% of municipalities have criminal gangs present</em>], October 21
InfoAmazonia: Amazônia sob ataque: 67% dos municípios têm a presença de facções criminosas [Amazon under attack: 67% of municipalities have criminal gangs present], October 21
CarbonBrief: <a href="https://www.carbonbrief.org/un-report-five-charts-showing-how-global-deforestation-is-declining/?utm_content=buffer60976&amp;utm_medium=social&amp;utm_source=twitter.com&amp;utm_campaign=buffer"><strong>UN report: Five charts showing how global deforestation is declining</strong></a>, October 24
CarbonBrief: UN report: Five charts showing how global deforestation is declining, October 24

U.S. cities deal with the carbon impact of diets, public transport solutions, and more military presence in the streets.

The Washington Post: <a href="https://www.washingtonpost.com/climate-environment/interactive/2025/meat-beef-climate-impact/"><strong>Your diet’s impact on the planet depends on where you live. Look up your city</strong></a>, October 21
The Washington Post: Your diet’s impact on the planet depends on where you live. Look up your city, October 21
The New York Times: <a href="https://www.nytimes.com/interactive/2025/10/26/upshot/fast-free-buses.html"><strong>Can Faster Buses Really Be Free?</strong></a>, October 26
The New York Times: Can Faster Buses Really Be Free?, October 26
The New York Times: <a href="https://www.nytimes.com/interactive/2025/10/27/us/us-national-guard-deployments.html"><strong>How and Where the National Guard Has Deployed to U.S. Cities</strong></a>, October 27
The New York Times: How and Where the National Guard Has Deployed to U.S. Cities, October 27

Meanwhile, China overtakes the United States in global trade and nuclear power.

Folha De S.Paulo: <a href="https://www1.folha.uol.com.br/mercado/2025/10/de-economia-fechada-a-fabrica-do-mundo-china-abocanha-fatia-dos-eua-no-comercio-global.shtml"><strong>De economia fechada a fábrica do mundo, China abocanha fatia dos EUA no comércio global</strong></a> [map description: <em>Expansion of Chinese trade over American trade in the last 25 years</em>], October 25
Folha De S.Paulo: De economia fechada a fábrica do mundo, China abocanha fatia dos EUA no comércio global [map description: Expansion of Chinese trade over American trade in the last 25 years], October 25
The New York Times: <a href="https://www.nytimes.com/interactive/2025/10/22/climate/china-us-nuclear-energy-race.html"><strong>How China Raced Ahead of the U.S. on Nuclear Power</strong></a>, October 22
The New York Times: How China Raced Ahead of the U.S. on Nuclear Power, October 22

While Europe is experiencing a solar power boom, the costs of climate change remain high.

Bloomberg: Europe’s Solar Boom Is Pushing Power Grids to The Limit, October 28
The European Correspondent: "Between 1980 and 2023, storms, floods, and heatwaves caused a staggering €738 billion in economic losses across Europe, €162 billion of that in just the past three years. [...]," October 24 (<a href="https://www.instagram.com/p/DQMIUpzE4od/"><strong>Instagram</strong></a>)
The European Correspondent: "Between 1980 and 2023, storms, floods, and heatwaves caused a staggering €738 billion in economic losses across Europe, €162 billion of that in just the past three years. [...]," October 24 (Instagram)

If you wonder how the world feels these days, two indicators (and charts) might help answer the question: uncertainty and emotion.

Not-Ship: <a href="https://www.not-ship.com/its-not-just-you-uncertainty-is-through-the-roof-2/"><strong>It's not just you. Uncertainty is through the roof</strong></a>, October 22
Not-Ship: It's not just you. Uncertainty is through the roof, October 22
The Economist: <a href="https://www.economist.com/graphic-detail/2025/10/24/the-world-has-become-surprisingly-less-grumpy"><strong>The world has become surprisingly less grumpy</strong></a>, October 24
The Economist: The world has become surprisingly less grumpy, October 24

Finally, we end on a cute note: behavior of cats, and Spanish birdsong.

Lisa Hornung: "Just launched Lazy Cats, a visual exploration of cat behaviour. Meet Lily + 27 other cats and find out what they do all day (spoiler: they mostly chill) 🐱🐾 Does your cat fit their profile?," October 22 (<a href="https://bsky.app/profile/lisahornung.bsky.social/post/3m3re3k665c2b"><strong>BlueSky</strong></a>, <a href="https://lazy-cats.netlify.app/"><strong>project website</strong></a>)
Lisa Hornung: "Just launched Lazy Cats, a visual exploration of cat behaviour. Meet Lily + 27 other cats and find out what they do all day (spoiler: they mostly chill) 🐱🐾 Does your cat fit their profile?," October 22 (BlueSky, project website)
SUR: <a href="https://www.surinenglish.com/lifestyle/this-how-malaga-sings-the-sound-map-20251017125854-nt.html"><strong>An audio guide to birdsong in Malaga province</strong></a>, October 24
SUR: An audio guide to birdsong in Malaga province, October 24

What else we found interesting

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Portrait of Veronika Halamková

Veronika Halamková (she/her, @v_halamkova) is a data vis writer in the Communications team. She lives in Czechia and creates and writes beautiful data visualizations. Before Datawrapper, she worked in the data team at Tortoise Media.

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