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#atmosphere

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"Crucial research into the effects of rocket and satellite air pollution on Earth's atmosphere is reportedly being cut as part of Donald Trump administration's cuts to climate science budgets. Experts say the cancellation comes at the worst time and will cause a major setback for the emerging field of science."

space.com/space-exploration/sa

Space · Scientists worry Trump's budget cuts will halt satellite air pollution studies: 'It's incredibly short-sighted'By Tereza Pultarova

Cool article showing how the Gulf stream conveyor belt is not responsible for most of Europe's mild winters.
The Gulf stream warms winters by a couple degrees, while general seasonal ocean heat lag combined with a conveniently positioned large north-south atmospheric wave created by the Rocky mountains make up for the remaining 10-15 C difference between Northern Europe and Nova Scotia.

#science #weather #climate #oceans #atmosphere

americanscientist.org/article/

American Scientist · The Source of Europe's Mild ClimateThe notion that the Gulf Stream is responsible for keeping Europe anomalously warm turns out to be a myth
Continued thread

Interesting to look back at this five months later ... here's what's currently happening today in terms of decentralization the ATmosphere.

Of course, like I said in the article,

""Decentralization" means different things to different people. As the links in the Appendix highlight, people who are focusing on the (very real) concentration of power in the ATmosphere today, or the potentially-centralizing architecture of AT, find it more useful to describe Bluesky as centralized."

And the power concentration -- or "operational centralization" as Bluesky folks were calling it at the ATmosphere Conference -- is still very real. Bluesky still runs almost all of the infrastructure for the ATmosphere, and it's by far the most popular app, and most other apps (as well as Bluesky) use the Bluesky AppView, Relay, and labeler.

Then again, that's clearly in the process of changing, and it'll be interesting to see how it looks six months or a year from now.

@laurenshof @fediversereport @cyrus @cwebber @rysiek @jonny @possibledog @oblomov @rwg @Kye

Bluesky Social · Rudy wants revolution. (@rudyfraser.com)The @blacksky.app feeds and moderation service are now powered by our own atproto relay wss://atproto.africa 🌍 One of (if not Thee 1st) from-scratch, full-network relays 🏆 Sync v1.1 compliant ✅ Backfill window + plc cache 🧳 Built in #rustlang 🦀 in 3 weeks by @utkarshgupta137.bsky.social 🏎️ #ATDev [contains quote post or other embedded content]

"Satellites in low-Earth orbit eventually have to come down, and companies rely on the upper atmosphere to act as a waste incinerator. That’s exposed a blind spot in environmental laws: They only deal with pollution from human activities near Earth’s surface. But just as carbon dioxide and ozone-destroying compounds drifting up have created problems, so too can pollutants raining down at ever-increasing rates."

bloomberg.com/graphics/2025-sp

"#Satellites in low-Earth orbit eventually have to come down, and companies rely on the upper #atmosphere to act as a waste incinerator. That’s exposed a blind spot in environmental laws: They only deal with pollution from human activities near Earth’s surface. But just as carbon dioxide and ozone-destroying compounds drifting up have created problems, so too can pollutants raining down at ever-increasing rates."

bloomberg.com/graphics/2025-sp

“Controlled deorbiting of the Falcon 9 second-stage over Arizona generated spectacular disturbances in the ionospheric plasma measured in total electron content ... Conical and concentric signatures, as well as electron depletion, are consistent with radiation of acoustic waves during Falcon 9 deorbit and/or potential release of constituents."
agupubs.onlinelibrary.wiley.co

Continued thread

#AMAT allows the user to simulate #atmospheric entry trajectories, compute deceleration and heating🌡️loads, compute aerocapture entry corridors and simulate aerocapture trajectories. AMAT supports analysis for all #atmosphere-bearing destinations in the #SolarSystem: #Venus, #Earth, #Mars, #Jupiter, #Saturn, #Titan, #Uranus, and #Neptune amat.readthedocs.io/en/master

amat.readthedocs.ioAerocapture Mission Analysis Tool (AMAT) — AMAT v2.3.0 documentation

Climate promises of AI a lot like carbon offsets

"... we’ve seen again and again that [...] often #exaggerate the #climate benefits, doing little to alter the balance of what’s going into or coming out of the #atmosphere."

"... big gap between how #AI could be used and how it will be used ..."

"... we ... can’t count on AI to drive down #emission|s more than it drives them up ... time frame now demanded by the dangers of climate change."

technologyreview.com/2025/04/1

MIT Technology Review · Why the climate promises of AI sound a lot like carbon offsets By James Temple

#atmosphere : the whole mass of aeriform fluid surrounding the earth

- French: atmosphère

- German: Atmosphäre

- Italian: atmosfera

- Portuguese: atmosfera

- Spanish: atmósfera

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Join our new subreddit for language learners @ reddit.com/r/LearnANewLanguage

reddit.comCrowdsourcing Languages • r/LearnANewLanguageWe are in the process of revitalizing this subreddit to help language learners. Thank you for being a part of our community!
Replied in thread

Here's a few specific questions I have ... very interested in hearing people's thoughts! If you'd prefer to respond anonymously, here's a CryptPad form (it takes a few seconds to load, so don't panic; and it's kind of long, but all the questions are optional).

  • What examples have you seen of successfully leveraging social networks for organizing and mutual aid? (It's fine to include examples from centralized commercial social networks as well as alternative and/or decentralized social networks)

  • How could social networks better support organizing and mutual aid?

  • What do you see as the most promising and/or urgent short-term opportunities?

  • Are there relevant studies, articles, papers, books, videos, and/or podcasts?

And if you'd like to get involved, you can leave your contact info in the form and we'll follow up with you once there are some concrete next steps in place. (Although you're also welcome to fill out the form anonymously!)

cryptpad.frEncrypted FormCryptPad: end-to-end encrypted collaboration suite
Replied in thread

More notes on Organizing, Mutual Aid, and Activism on decentralized social networks

privacy.thenexus.today/more-no

This was originally going to be a #FediForum session ... oh well. But why let the FediForum organizers' screwups sabotage a worthwhile conversation? We decided to go ahead with the discussion anyhow. Here's the notes.

Feedback welcome! There are some specific questions in the reply, or here's a CryptPad form if you'd rather give feedback anonymously, but I'm also interested in reactions to topics we discussed in the meeting -- and thoughts in general!

The Nexus Of Privacy · More notes on Organizing, Mutual Aid, and Activism on decentralized social networks"Mutual aid. Organizing. Sharing, contextualizing, and making meaning of news and health information to counter propaganda and information overload. The use cases for alternative social networks – not controlled by techbro white supremacist CEO's working with their cronies in authoritarian governments – practically write themselves in today's world. And with so many