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Jon Levy

@jonlevybu

Professor and Chair of Dept of Environmental Health at BU School of Public Health. Focus on indoor and outdoor air, climate change, housing, and environmental justice. Occasional parental musings and the odd dad joke. Once called “Very human, relatable”.

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Latest posts by Jon Levy @jonlevybu

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Black Rain and Health Fears After Strikes on Iran Fuel Depots

Oil has been a stated or unstated cause of recent wars, and many of the impacts come back to oil. We notice the growing gas prices but may not see the growing health harms in Iran, the region, or the military. We pay a heavy price for our reliance on fossil fuels.

www.nytimes.com/2026/03/10/w...

10.03.2026 22:35 👍 6 🔁 3 💬 0 📌 0
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Trump’s EPA decides climate change doesn’t endanger public health – the evidence says otherwise Climate change is making people sicker and more vulnerable to disease, doctors and scientists explain. Erasing the federal endangerment finding increases the risk.

"By confronting climate change, we promote good health," @jonlevybu.bsky.social & colleagues write in a new @theconversation.com article. Their piece is a response to the Trump admin's move to rescind the endangerment finding, which asserted that climate-warming gases also endanger health.

20.02.2026 16:17 👍 1 🔁 1 💬 0 📌 0
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Bringing Cleaner Air to Boston Homes—One Stove at a Time Boston University researchers have been partnering with the city to replace gas stoves with electric induction alternatives and measure the effect on air quality

Gas stoves can degrade indoor air quality. For the past year, researchers including @jonlevybu.bsky.social have been partnering with the city of Boston on a program to replace gas stoves with electric. The team is also studying how indoor air quality differs before and after replacement.

17.02.2026 19:41 👍 8 🔁 3 💬 0 📌 1
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Project Drawdown launches Climate Science Serving America Fellowship to support scientists working in the public good Fellowship seeks early- to mid-career researchers based in America who are committed to science and public expertise

While others are stepping back on climate, Project Drawdown is stepping up!

We’re proud to announce the Climate Science Serving America Fellowship to support U.S.-based Ph.D.-level scientists & engineers focused on climate solutions for the public good.

drawdown.org/news/project...

12.02.2026 17:34 👍 108 🔁 56 💬 1 📌 3
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Trump says climate change doesn’t endanger public health – evidence shows it does, from extreme heat to mosquito-borne illnesses Climate change is making people sicker and more vulnerable to disease. Erasing the federal endangerment finding increases the risk.

The Trump administration rescinded the "endangerment finding" today, declaring that climate change doesn't harm health. They are wrong. Some evidence from me, @howardfrumkin.bsky.social, @jonathanpatz.bsky.social, and Vijay Limaye from @theconversation.com

theconversation.com/trump-says-c...

12.02.2026 20:28 👍 8 🔁 12 💬 0 📌 1
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There is No Scientific Justification to Revoke the Endangerment Finding The U.S. EPA's decision to repeal the Endangerment Finding will limit the government's ability to regulate emissions of carbon dioxide and other greenhouse gases under the Clean Air Act.

As I say here, there is no scientific justification to revoke the engagement finding. In fact, over the last 15+ yrs, the evidence of how climate change affects our health has only grown. Higher risk of allergies, dementia, fertility, heart disease, and death: that’s what’s on the line. @nature.org

12.02.2026 21:44 👍 1406 🔁 648 💬 33 📌 14

"To really make America healthy, in our view, the nation should acknowledge the facts behind the endangerment finding and double down on our transition from fossil fuels to a healthy, clean energy future." -- @jonathanpatz.bsky.social @howardfrumkin.bsky.social @jonlevybu.bsky.social

12.02.2026 22:41 👍 7 🔁 4 💬 1 📌 0

You can't... repeal... a scientific finding. At that point it's just called lying about it.

12.02.2026 20:38 👍 12630 🔁 4473 💬 207 📌 113
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Trump says climate change doesn’t endanger public health – evidence shows it does, from extreme heat to mosquito-borne illnesses Climate change is making people sicker and more vulnerable to disease. Erasing the federal endangerment finding increases the risk.

The Trump administration rescinded the "endangerment finding" today, declaring that climate change doesn't harm health. They are wrong. Some evidence from me, @howardfrumkin.bsky.social, @jonathanpatz.bsky.social, and Vijay Limaye from @theconversation.com

theconversation.com/trump-says-c...

12.02.2026 20:28 👍 8 🔁 12 💬 0 📌 1

Found them

11.02.2026 22:05 👍 2 🔁 0 💬 0 📌 0
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A Secret Panel to Question Climate Science Was Unlawful, Judge Rules

Today we won.

A U.S. District Court ruled that the administration violated federal law when it secretly convened a group of climate contrarians to produce a thoroughly debunked report to overturn the Endangerment Finding.

The science still matters. We won't stop.

www.nytimes.com/2026/01/30/c...

31.01.2026 02:26 👍 509 🔁 124 💬 6 📌 7
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One of the best things I’ve read in a while:

25.01.2026 22:39 👍 28811 🔁 10734 💬 42 📌 979
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Ambient air quality and health impacts of PM2.5 from US residential wood combustion Air pollution from residential wood burning contributes to thousands of premature deaths annually, with unexpected urban impacts.

New research out today in #ScienceAdvances, in which Kyan Shlipak et al. explore the health impacts of burning wood for heat across the U.S. Of note: ~8600 premature deaths w/ more urban impacts than expected, disproportionate impacts to POC www.science.org/doi/10.1126/... @science.org

23.01.2026 21:25 👍 21 🔁 10 💬 2 📌 0
Newly Disclosed Records Show Trump Administration’s Unlawful Actions Related to Secretly Formed “Climate Working Group” The records are part of more than 68,000 pages of records obtained by EDF and the Union of Concerned Scientists as as the result of a lawsuit.

Just breaking. Good to see the truth emerging:

www.edf.org/media/newly-...

@globalecoguy.bsky.social
@katharinehayhoe.com
@maibached.bsky.social

22.01.2026 19:59 👍 4 🔁 1 💬 0 📌 1
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Trump’s E.P.A. Has Put a Value on Human Life: Zero Dollars

Trump’s E.P.A. Has Put a Value on Human Life: Zero Dollars

21.01.2026 14:56 👍 17 🔁 15 💬 1 📌 2

Racism, poverty, the environment, and other social determinants of health are key predictors of how healthy we are. The fight for health equity (and overall better health) continues today. It has many fronts, and health care is necessary but not sufficient.

19.01.2026 14:28 👍 2 🔁 1 💬 0 📌 1

Dr. King is often misquoted as having said “Of all of the forms of inequality, injustice in health care is the most shocking and inhumane.”

He actually said “injustice in health”. Although the quote was about medical care discrimination, Dr. King understood that health was more than health care.

19.01.2026 14:28 👍 4 🔁 1 💬 1 📌 0

Now Trump EPA head, Lee Zeldin, enters the scene with rank dishonesty & theatrical indignation to dispute the NY Times' correct, accurate reporting.

But I've read the EPA smoking gun document, I'm a 30+-year clean air lawyer, I understand its meaning better than Zeldin, & I have the receipts. 1/

13.01.2026 01:20 👍 488 🔁 234 💬 8 📌 25
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E.P.A. to Stop Considering Lives Saved When Setting Rules on Air Pollution

The fact that air pollution protections save lives (and thus dollars) has long been an inconvenient fact for those who want polluting industries unfettered.

This move is indefensible and dangerous.
www.nytimes.com/2026/01/12/c...

12.01.2026 22:49 👍 52 🔁 24 💬 1 📌 2
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E.P.A. to Stop Considering Lives Saved When Setting Rules on Air Pollution

The Trump administration is proposing to value the cost of air pollution deaths at $0.

It’s no wonder that Trump’s EPA would take this step: avoided premature mortality is regularly the largest category of monetized benefits used to justify Clean Air Act regulation.

12.01.2026 18:13 👍 3 🔁 3 💬 1 📌 0

Since deaths from particulate matter and ozone are the vast majority of monetized benefits from air pollution regulations, this move will effectively stop most clean air regulations. This is totally unsupported by science, economics, or common sense.

12.01.2026 18:26 👍 8 🔁 3 💬 0 📌 0
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The NIH has lost its scientific integrity. So we left “We can no longer lend our credibility to an organization that has lost its integrity,” write four scientists and administrators who recently resigned from the NIH.

This is so incredibly heart-breaking. To Jay Bhattacharya and Matthew Memoli at NIH--you have betrayed the entire scientific community. Deeply committed staff are leaving in droves--because you are destroying the institution. Shame on you. www.statnews.com/2026/01/10/n...

10.01.2026 14:28 👍 1011 🔁 377 💬 20 📌 17
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NYCHA to Replace Gas Stoves in 100 Apartments Under Energy-Efficiency Pilot Program - City Limits Dozens of public housing apartments will get plug-in induction ranges as part of the initiative, which aims to eventually shift 10,000 NYCHA homes off the use of polluting fossil fuel appliances.

Dozens of public housing apartments will get plug-in induction ranges as part of the initiative, which aims to eventually shift 10,000 NYCHA homes off the use of polluting fossil fuel appliances. citylimits.org/nycha-to-rep...

30.12.2025 18:59 👍 19 🔁 8 💬 0 📌 1

Unfortunately this skeet aged well…

04.01.2026 16:53 👍 6 🔁 1 💬 1 📌 0

When people argue that renewable energy sources are too expensive, remember that we don’t invade countries to seize wind farms and there are no solar cartels. Fossil fuels have enormous geopolitical, public health, and climate externalities.

03.01.2026 20:40 👍 2446 🔁 901 💬 51 📌 29
Portrait of Marina Vance, a scientist, sitting in a Colorado grassland.

Portrait of Marina Vance, a scientist, sitting in a Colorado grassland.

The @nytimes.com Lost Science series continues. Here's my Q&A with a scientist who was studying how wildfire smoke threatens human health when the EPA decided that her research was no longer a funding priority. Gift link: nyti.ms/4jhpw14

27.12.2025 17:11 👍 385 🔁 178 💬 3 📌 12
Air quality and health effects of U.S. energy transitions Transitioning the U.S. energy system has the potential to improve public health by reducing ambient fine particulate matter (PM2.5) exposure. We develop an integrated modeling framework, coupling ener...

New preprint up assessing the air quality and health benefits that could have been possible under the Inflation Reduction Act.

Huge effort here with Erin Mayfield, Jamil Farbes, @jessedjenkins.com, Ryan Jones, Tracey Holloway, and @jonathanpatz.bsky.social.

22.12.2025 21:32 👍 19 🔁 8 💬 2 📌 0
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‘This year nearly broke me as a scientist’ – US researchers reflect on how 2025’s science cuts have changed their lives US science lost a great deal in 2025, including tens of billions of dollars of federal funding, entire research agencies and programs, and a generation of researchers.

Sweeping science cuts in 2025 halted clinical trials, erased public health data and forced researchers into impossible choices.

“This year nearly broke me as a scientist,” one writes.

Six researchers share their stories: buff.ly/u2MHIQo 🧪

23.12.2025 19:48 👍 69 🔁 52 💬 3 📌 3
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It brings me no pleasure to report that my beat — offshore wind power — skyrocketed to the top of new sites today.

I just published a scoop about Trump's halt on 5 in-progress wind farms capable of powering 2.7 million homes.

Here's a mega🧵

🔗 2nd post is a link to my scoop
🎁 last post is a gift

23.12.2025 06:06 👍 252 🔁 118 💬 12 📌 13

Thank goodness there are no national security issues or geopolitical challenges related to oil or gas…

22.12.2025 17:21 👍 6 🔁 3 💬 0 📌 1