Joe Allen
@joeallenjoe.bsky.social
Prof at Harvard; Direct Harvard Healthy Buildings Program; Exposure and Risk Science; Author: HEALTHY BUILDINGS book w/ HBS Prof Macomber
linktr.ee/healthybuilding
linktr.ee/healthybuilding
Scientists working on the LA Fires:
lafirehealth.org/conference/
lafirehealth.org/conference/
November 24, 2025 at 1:04 PM
Scientists working on the LA Fires:
lafirehealth.org/conference/
lafirehealth.org/conference/
Coming soon: non-stick apples
November 23, 2025 at 10:41 PM
Coming soon: non-stick apples
Reposted by Joe Allen
I think everyone involved in this needs to be vaccinated multiple times
November 22, 2025 at 9:57 PM
I think everyone involved in this needs to be vaccinated multiple times
November 22, 2025 at 6:28 PM
All the chickens touched the same elevator button
NEW: We traced out a devastating outbreak of bird flu to its source: an egg farm in Ohio. Where the wind blew, the virus followed.
Within weeks, the farms downwind were about 20 times as likely to see outbreaks as those that weren’t.
Within weeks, the farms downwind were about 20 times as likely to see outbreaks as those that weren’t.
What the U.S. Government Is Dismissing That Could Seed a Bird Flu Pandemic
Egg producers suspect bird flu is traveling through the air. After a disastrous Midwestern outbreak early this year, we tested that theory and found that where the wind blew, the virus followed. Vaccines could help, but the USDA hasn’t approved them.
www.propublica.org
November 22, 2025 at 2:07 AM
All the chickens touched the same elevator button
Our latest research w collaborators @massgeneralbrigham.bsky.social found that, over the last 25 years, heat and cold-related deaths have caused more than 69,000 deaths in the U.S.
▶️ 35% were heat-related
▶️ 65% were cold-related
▶️ Temperature-related mortality rates have increased in recent years
▶️ 35% were heat-related
▶️ 65% were cold-related
▶️ Temperature-related mortality rates have increased in recent years
November 18, 2025 at 12:46 AM
Our latest research w collaborators @massgeneralbrigham.bsky.social found that, over the last 25 years, heat and cold-related deaths have caused more than 69,000 deaths in the U.S.
▶️ 35% were heat-related
▶️ 65% were cold-related
▶️ Temperature-related mortality rates have increased in recent years
▶️ 35% were heat-related
▶️ 65% were cold-related
▶️ Temperature-related mortality rates have increased in recent years
Bill passed by House:
--> would deny federal funding to any US scientist who collaborates w anyone affiliated w China
--> IT'S RETROACTIVE (!); incl interactions for prev 5 years
--> prohibited activities: research, co-authorship, advising grad student or postdoc
www.science.org/content/arti...
--> would deny federal funding to any US scientist who collaborates w anyone affiliated w China
--> IT'S RETROACTIVE (!); incl interactions for prev 5 years
--> prohibited activities: research, co-authorship, advising grad student or postdoc
www.science.org/content/arti...
U.S. Congress considers sweeping ban on Chinese collaborations
Researchers speak out against proposal that would bar funding for U.S. scientists working with Chinese partners or training Chinese students
www.science.org
November 14, 2025 at 7:35 PM
Bill passed by House:
--> would deny federal funding to any US scientist who collaborates w anyone affiliated w China
--> IT'S RETROACTIVE (!); incl interactions for prev 5 years
--> prohibited activities: research, co-authorship, advising grad student or postdoc
www.science.org/content/arti...
--> would deny federal funding to any US scientist who collaborates w anyone affiliated w China
--> IT'S RETROACTIVE (!); incl interactions for prev 5 years
--> prohibited activities: research, co-authorship, advising grad student or postdoc
www.science.org/content/arti...
November 14, 2025 at 3:22 PM
The east wing of the White House that was demolished had known asbestos issue
—> ACECO, the demo company, had its asbestos-abatement license revoked in 2022
—> no documentation has been released to show how mitigation was carried out or which firm performed it or whether ACECO had proper licensure
—> ACECO, the demo company, had its asbestos-abatement license revoked in 2022
—> no documentation has been released to show how mitigation was carried out or which firm performed it or whether ACECO had proper licensure
November 13, 2025 at 12:29 AM
The east wing of the White House that was demolished had known asbestos issue
—> ACECO, the demo company, had its asbestos-abatement license revoked in 2022
—> no documentation has been released to show how mitigation was carried out or which firm performed it or whether ACECO had proper licensure
—> ACECO, the demo company, had its asbestos-abatement license revoked in 2022
—> no documentation has been released to show how mitigation was carried out or which firm performed it or whether ACECO had proper licensure
“The Fuck You Middle/Lower Class America Plan”
November 12, 2025 at 1:22 AM
“The Fuck You Middle/Lower Class America Plan”
Cornell University has agreed to pay $60 million and accept the Trump administration’s interpretation of civil rights laws in order to restore federal funding and end investigations into the Ivy League school.
November 8, 2025 at 12:36 AM
Cornell University has agreed to pay $60 million and accept the Trump administration’s interpretation of civil rights laws in order to restore federal funding and end investigations into the Ivy League school.
Reposted by Joe Allen
Our new paper! Building electrification can be good for health too – the more renewables on the grid, the better it is. 🛟 | #energysky
doi.org/10.1016/j.jo...
... with @joeallenjoe.bsky.social and other lovely people who aren't on here
doi.org/10.1016/j.jo...
... with @joeallenjoe.bsky.social and other lovely people who aren't on here
Redirecting
doi.org
November 4, 2025 at 5:35 PM
Our new paper! Building electrification can be good for health too – the more renewables on the grid, the better it is. 🛟 | #energysky
doi.org/10.1016/j.jo...
... with @joeallenjoe.bsky.social and other lovely people who aren't on here
doi.org/10.1016/j.jo...
... with @joeallenjoe.bsky.social and other lovely people who aren't on here
ARREST MADE in Harvard explosion
“Earlier this morning, acting on a tip received by law enforcement, investigators positively identified and arrested two suspects. The arrests were made by a multi-jurisdictional team that included the Harvard PD, FBI, and local and state police departments.”
“Earlier this morning, acting on a tip received by law enforcement, investigators positively identified and arrested two suspects. The arrests were made by a multi-jurisdictional team that included the Harvard PD, FBI, and local and state police departments.”
November 4, 2025 at 7:13 PM
ARREST MADE in Harvard explosion
“Earlier this morning, acting on a tip received by law enforcement, investigators positively identified and arrested two suspects. The arrests were made by a multi-jurisdictional team that included the Harvard PD, FBI, and local and state police departments.”
“Earlier this morning, acting on a tip received by law enforcement, investigators positively identified and arrested two suspects. The arrests were made by a multi-jurisdictional team that included the Harvard PD, FBI, and local and state police departments.”
--> Bldg is secured (badge access)
--> explosion was on the 4th floor
--> It can be a confusing building, so...they had Harvard ID access cards, and knew where they were going in the building (4th floor not random, obviously...)
--> explosion was on the 4th floor
--> It can be a confusing building, so...they had Harvard ID access cards, and knew where they were going in the building (4th floor not random, obviously...)
November 2, 2025 at 11:26 AM
--> Bldg is secured (badge access)
--> explosion was on the 4th floor
--> It can be a confusing building, so...they had Harvard ID access cards, and knew where they were going in the building (4th floor not random, obviously...)
--> explosion was on the 4th floor
--> It can be a confusing building, so...they had Harvard ID access cards, and knew where they were going in the building (4th floor not random, obviously...)
No email/text update overnight or this morning from Harvard PD on the Harvard medical school explosion.
Addt'l context:
--> It happened overnight (3am Saturday morning), so they were not targeting people (unless intent was for device to explode on another day/time)
🧵
Addt'l context:
--> It happened overnight (3am Saturday morning), so they were not targeting people (unless intent was for device to explode on another day/time)
🧵
Harvard PD looking for help identifying these people
November 2, 2025 at 11:26 AM
No email/text update overnight or this morning from Harvard PD on the Harvard medical school explosion.
Addt'l context:
--> It happened overnight (3am Saturday morning), so they were not targeting people (unless intent was for device to explode on another day/time)
🧵
Addt'l context:
--> It happened overnight (3am Saturday morning), so they were not targeting people (unless intent was for device to explode on another day/time)
🧵
Harvard PD looking for help identifying these people
November 2, 2025 at 1:48 AM
Harvard PD looking for help identifying these people
Reposted by Joe Allen
“They’ve set a model for how it should be done going forward,” said Joseph Allen, director of the Healthy Buildings program at @hsph.harvard.edu
@bostonschools.boston.gov
www.bostonglobe.com/2025/10/26/s...
@bostonschools.boston.gov
www.bostonglobe.com/2025/10/26/s...
A tiny device is identifying invisible health hazards in Boston schools - The Boston Globe
Boston Public Schools is using a nation-leading network of air quality sensors to improve classroom air.
www.bostonglobe.com
October 26, 2025 at 6:34 PM
“They’ve set a model for how it should be done going forward,” said Joseph Allen, director of the Healthy Buildings program at @hsph.harvard.edu
@bostonschools.boston.gov
www.bostonglobe.com/2025/10/26/s...
@bostonschools.boston.gov
www.bostonglobe.com/2025/10/26/s...
“It’s one of the best investments Boston Public Schools has ever made".
www.bostonglobe.com/2025/10/26/s...
www.bostonglobe.com/2025/10/26/s...
A tiny device is identifying invisible health hazards in Boston schools - The Boston Globe
Boston Public Schools is using a nation-leading network of air quality sensors to improve classroom air.
www.bostonglobe.com
November 1, 2025 at 10:06 AM
“It’s one of the best investments Boston Public Schools has ever made".
www.bostonglobe.com/2025/10/26/s...
www.bostonglobe.com/2025/10/26/s...
Covid vaccine study:
--> 29% lower risk of COVID-related ER visits
--> 39% lower risk of hospitalization
--> 64% lower risk of death
Study has key methodological strengths
👇
--> 29% lower risk of COVID-related ER visits
--> 39% lower risk of hospitalization
--> 64% lower risk of death
Study has key methodological strengths
👇
October 30, 2025 at 4:25 AM
Covid vaccine study:
--> 29% lower risk of COVID-related ER visits
--> 39% lower risk of hospitalization
--> 64% lower risk of death
Study has key methodological strengths
👇
--> 29% lower risk of COVID-related ER visits
--> 39% lower risk of hospitalization
--> 64% lower risk of death
Study has key methodological strengths
👇
JPMC's new HQ at 270 Park is setting new standards of excellence for healthy buildings. Such a privilege to be part of this team bringing it to life.
www.jpmorganchase.com/newsroom/pre...
www.jpmorganchase.com/newsroom/pre...
October 25, 2025 at 4:48 PM
JPMC's new HQ at 270 Park is setting new standards of excellence for healthy buildings. Such a privilege to be part of this team bringing it to life.
www.jpmorganchase.com/newsroom/pre...
www.jpmorganchase.com/newsroom/pre...
All time fav interview request:
"We've seen bizarre decisions being made, and I'm reaching out to you to understand how indoor air in these high-stakes meetings might affect participants’ ability to think clearly, negotiate effectively, or make complex decisions" 🤣
"We've seen bizarre decisions being made, and I'm reaching out to you to understand how indoor air in these high-stakes meetings might affect participants’ ability to think clearly, negotiate effectively, or make complex decisions" 🤣
October 24, 2025 at 12:18 PM
All time fav interview request:
"We've seen bizarre decisions being made, and I'm reaching out to you to understand how indoor air in these high-stakes meetings might affect participants’ ability to think clearly, negotiate effectively, or make complex decisions" 🤣
"We've seen bizarre decisions being made, and I'm reaching out to you to understand how indoor air in these high-stakes meetings might affect participants’ ability to think clearly, negotiate effectively, or make complex decisions" 🤣