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Good morning, Quartz readers!
Hereās what you need to know
Nvidia is poised to break a US stock market record. Boosted by upbeat earnings, the chipmaker looks set to add more than $200 billion to its market cap in a single day when markets open today.
Ron DeSantisās 2024 presidential race got off to a glitchy start. The Florida governorās Twitter Spaces event was marred by technical issues that took attention away from the highly anticipated launch.
OpenAI CEO Sam Altman threatened to leave the EU over AI regulation. The AI Act would mandate more transparency over the data used to train the algorithm.
Montana became the first US state to ban drag story hour in public schools and libraries. House Bill 359 added a new element to Tennessee and Floridaās anti-drag laws.
Airbnb unveiled an anti-party crackdown plan. Over Memorial Day weekend, Airbnb is enlisting neighbors toĀ enforce a party banĀ in rental homes.
One big number: At least $23.2 trillion
Thatās how much the global fossil fuel industry owes in reparations for climate change
Environmental research group One Earth estimates the worldās top fossil fuel companies (shown below) have emitted around 36% of all global emissions since 1988āto the tune of trillions of dollars in economic damages.

This isnāt the whole listāsee how eight of worldās other top fossil fuel companies stack up.
Pop quiz: Whatās Mother Nature wearing?
Some of Europeās biggest companies, including NestlĆ© and AB-InBeV, are setting the first-ever science-based nature targets. The pilotās ultimate goal is to halt and reverse the impact of industrialization on biodiversity and the natural environment.
Which luxury fashion brand has decided to participate?
A. Burberry
The great social media debate rages on
āThe most common question parents ask me is, āis social media safe for my kidsā. The answer is that we donāt have enough evidence to say itās safe, and in fact, there is growing evidence that social media use is associated with harm to young peopleās mental health.ā
āUS surgeon general Vivek Murthy, introducing the litany of risk factors for teenagers using social media. Read the full story here.
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Surprising discoveries
The worldās richest man lost $11 billion in a day. LVMHās Bernard Arnault is still richer than Elon Musk, though.
The big, ruddy, eye-catching star youāve been noticing in the sky has been acting weird lately. Itās not just youāBetelgeuse has at times been 50% brighter in recent weeks.
If OpenAI had to pick a regulator, itād go for one like the International Atomic Energy Agency. Thatās⦠a choice.
New Zealandās sheep-to-human ratio is the lowest itās been for 170 years. But the count may have been baadly done.
Public tech banks could help us address climate change. Thatās not the only solution such an institution could offer. Hear what other inefficiencies public tech banks could solve in the latest episode of the Quartz obsession podcast.
ā Subscribe wherever you get your podcasts: Apple Podcasts | Spotify | Google | Stitcher | YouTube Ā
Our best wishes for a productive day. Send any news, comments, cow-to-human ratios, and Betelgeuse pics to [email protected]. Reader support makes Quartz available to allābecome a member. Todayās Daily Brief was brought to you by Sofia Lotto Persio and Morgan Haefner.