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Putting air filters in classrooms increased test scores by 0.20 standard deviations. That's a huge effect.

(via @MargRev)

edworkingpapers.com/ai20-188
Corollary: Switching to clean energy is also going to make us smarter, because of reduced air pollution.
Corollary 2: Reducing air pollution (and not forcing Black and Hispanic people to live in polluted areas) would shrink racial achievement gaps.

usatoday.com/story/news/nat…
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Noah Smith 🐇
@Noahpinion
I believe that a HUGE unexploited opportunity in TV is for shows to explicitly announce that they'll write plot elements according to the consensus wishes of fans. For example, letting shippers determine which way a love triangle will go. Engagement would be INSANE.
PUT SHIPPERS IN CHARGE OF EVERYTHING
You could also have a voting system and allow people to buy extra votes. The strategic interactions would be INSANE. Downside is the fans would go broke and sue.
Read 3 tweets
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Noah Smith 🐇
@Noahpinion
Dan Wang's year-end blog posts are always worth reading. In this year's post, he discusses how China's technological foundations were weaker than he thought. But he's still optimistic that Chinese engineers will "learn by doing" and catch up.

danwang.co/2019-letter/
Dan's post also has a very interesting discussion of what it's like to live in Beijing:
- "mostly unwalkable, unpleasant weather, generally maddening"
- "emanates a sense of sinister power"
- "the center of so many important stories"
- "feel[s] like the center of the world"
Oh, you should follow @danwwang by the way, if you don't already.
Read 3 tweets
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Noah Smith 🐇
@Noahpinion
How does Madrid build subways so cheaply?

…trianobservations.files.wordpress.com/2019/11/costsp…
Who builds subways cheaply, and who pays through the nose?

…trianobservations.files.wordpress.com/2019/11/costsp…
Alon Levy's suggestions for how to make subway construction cheaper:
1. Cut and cover to build simple stations
2. Have one company design and another build
3. DON'T PRIVATIZE/OUTSOURCE

…trianobservations.files.wordpress.com/2019/11/costsp…
Read 3 tweets

Related threads

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Matto Mildenberger
@mmildenberger
Polarization is huge obstacle to US climate policy. One hope: cross-party clean energy uptake. My new @NatureEnergyJnl article (w @peterdhowe + Chris Miljanich) merges satellite data w/ voter file to explore political behaviors of solar PV households 1/ 🧵 nature.com/articles/s4156…
For decades, US climate beliefs have been sorting around party lines. Today, many Republican officials have turned against the energy transition - in some states they are even working to rollback state-level clean energy policies 2/ theguardian.com/commentisfree/…
But Republicans are not homogenous. Surprising political coalitions like the “Green Tea Party” have captured the imagination. Still, it is an empirical Q: are clean energy Republicans the exception or the norm? 3/
yaleclimateconnections.org/2014/08/climat…
Read 15 tweets
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Shawn McGuirk 👨🏻‍🔬👨🏻‍💻📝☕🔜🤺💀 ➡️👨🏻‍🎓
@ShawnMcGuirk
My #CSPC2019 live tweeting #THREAD starts here!

I'll reply to this tweet w/ each panel I attend, creating a thread under each w/ live notes

My schedule: 🔗cspc2019.sched.com/shawnmcguirk

And, ICYMI, see the new CSPC magazine for my op-ed about @DSP_SPE & #CapacityBuilding in #scipol!
I wasn't intending on tweeting the symposium, but 2 really good points on skills:

🔹 For communications, the ability to be brief (tweet length summaries!) is key

🔹 Universities should promote organic mentorship by leveraging alumni office, get alums to meet students over ☕!
🔹 Skills development has strong socio-economic dimension. Accessibility to good schooling even as early as Kindergarten can have large impacts later in life. The foundation of transferable (read: critical) skills stays with you as you later develop expertise.

#CSPC2019 #skills
Read 216 tweets
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Daniel Faggella
@danfaggella
1/6 - The "Executives: AI is not IT" thread

When people ask me why so many enterprise #AI projects fail, I am often able to sum it up in a single word:

"Expectations."

emerj.com/ai-executive-g…
2/6
Leadership isn't aware of what AI can do, what it's strategic value is. Worse still, leadership sees AI as just a new kind of IT. "Plug it in" and we're all set.

There are a number of reasons why AI is not like IT, here's a few that more boardrooms should understand:
3/6
** Time to Deliverable

IT: Hard to predict with new projects. Relatively easy to predict with repeat or well-understood projects.

AI: Nearly impossible to predict with new projects. Still very challenging to predict with repeat or well-understood projects.
Read 6 tweets
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Matt Hannon
@hannon_matthew
*THREAD*

No time to read @ITIFdc report of UK clean #energy #innovation performance but want to know how the UK performed?

www2.itif.org/2019-global-en…

@beisgovuk @ScotGovEnergy @EnergySysCat @theCCCuk
@ITIFdc @beisgovuk @ScotGovEnergy @EnergySysCat @theCCCuk UK just makes top 10, performing best on 'social legitimation' (i.e. making clean energy more acceptable).

Does well too on 'option generation' (i.e. scale & diversity of clean energy RD&D funding).

Poorest on 'scale-up' (i.e. later stage demonstration & commercialisation).
@ITIFdc @beisgovuk @ScotGovEnergy @EnergySysCat @theCCCuk UK has done extremely well on growing its RD&D spend, ranking 1st of all the @MICleanEnergyRD countries. Kudos to @beisgovuk and its Industrial Strategy spending, which I imagine has been the primary driver.
Read 8 tweets
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JesseJenkins
@JesseJenkins
Building on the momentum from states & utilities (see catf.us/wp-content/upl…), @TinaSmithMN & @repbenraylujan introduced legislation today that would put the US electricity sector on a path to #100PercentClean, the Clean Energy Standard Act of 2019:
m.box.com/shared_item/ht…
The bill is notable and important contribution to efforts to build national consensus for serious clean energy and climate policy action. Here's why I like it...
1. There's broad consensus electricity is the linchpin in any effort to confront #climatechange, not only because it's responsible for ~30% of US CO2, but also because electrifying more energy use in transportation, buildings, & industry is key to decarbonize those sectors too.
Read 10 tweets
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homunculus
@homunculus_mefi
This is a fantastic megathread (over 70 tweets) of student climate protests #FridaysforFuture #ClimateStrike around the world. Every continent is represented. The protests in the US are growing. Apparently Italy had a million protesters. Retweet plz! This is what hope looks like!
This piece by Rebecca Solnit on #FridaysforFuture is excellent: "Thank you, climate strikers. Your action matters and your power will be felt. Nothing is possible without action, and almost anything is when we rise up together, as you are today" theguardian.com/commentisfree/…
3/ Liza Featherstone @lfeatherz: "Students at 100s of US schools walked out of class last Friday, joining 1000s around the world to demand action against climate change... at least one public institution seems to be getting it right: NYC public schools." jacobinmag.com/2019/03/climat…
Read 28 tweets

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