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David Hill

@cleanairblueskies

Pulmonary and Critical Care Physician, Advocate. Chair of the American Lung Association National Board. Avid Reader. Focused on Clean Air, Health effects of climate change, tobacco control, health care access. Views are my own He/Him.

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09.11.2024
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Latest posts by David Hill @cleanairblueskies

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It would be one history‘s great plot twists if Trump has now managed to alert the entire world to why they should transition away from single-use fossils to renewables as quickly as any possible - even while having dismissed global warming.

And Hormuz isn‘t even Asia‘s biggest risk.

09.03.2026 11:15 👍 124 🔁 49 💬 3 📌 4
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Is it really a war?

Play along with Andrew Heaton's new game show.

07.03.2026 23:17 👍 1068 🔁 508 💬 23 📌 39

They spelled duplicitous wrong

06.03.2026 18:38 👍 0 🔁 0 💬 0 📌 0

Casey Means still doesn’t have the votes. Keep the letters coming.

04.03.2026 13:06 👍 178 🔁 79 💬 1 📌 0
Husky mascot Jonathan with Dr Hill outside the employee entrance of Waterbury Hospital

Husky mascot Jonathan with Dr Hill outside the employee entrance of Waterbury Hospital

A new Era of #Healthcare with @uconnhealth.bsky.social and #Waterbury Hospital.

02.03.2026 21:05 👍 1 🔁 0 💬 0 📌 0
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Cover of The Lancet, Feb 28, 2026, issue www.thelancet.com/journals/lan...

28.02.2026 02:54 👍 18 🔁 5 💬 1 📌 0
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Dr. Catharine Young: We are now at 1136 new measles cases - in just the first 8 weeks of this year alone. A preventable disease resurging. This is an abject policy failure.

27.02.2026 21:12 👍 730 🔁 347 💬 29 📌 26
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Robert F Kennedy Jr: 1 year of failure In his first speech as Secretary of the US Department of Health and Human Services (HHS), Robert F Kennedy Jr laid out a plan to restore trust. The COVID-19 pandemic saw public faith in Federal health...

"The destruction that Kennedy has wrought in 1 year might take generations to repair, and there is little hope for US health and
science while he remains at the helm"

@thelancet.com

www.thelancet.com/journals/lan...

27.02.2026 02:43 👍 30 🔁 19 💬 0 📌 0
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"The only thing she practices is grift": Meet Trump's nominee for Surgeon General - Salon.com Casey Means’ promotion of supplements and pseudoscience worry medical professionals

Sharing ahead of Casey Means’ Surgeon General confirmation hearing tomorrow:

24.02.2026 20:56 👍 224 🔁 111 💬 15 📌 14

Have been listening in to today's hearing. So far, she's dodged questions on vaccines and Tammy Baldwin noted Means made $325K shilling supplements over the last 2 years. But sure, vaccine advocates are the one making bank. 🙃

25.02.2026 15:55 👍 277 🔁 107 💬 5 📌 8
Close up of a handheld Gelato cone which is just starting to melt

Close up of a handheld Gelato cone which is just starting to melt

Landscape shot of desert with winding highway in foreground.  Cloud covered skies shadow the land with distant mountains in a hazy background.

Landscape shot of desert with winding highway in foreground. Cloud covered skies shadow the land with distant mountains in a hazy background.

#AlphabetChallenge #BonusHomonym

Dessert (Gelato, Rome)
Desert--Arizona

23.02.2026 13:42 👍 4 🔁 0 💬 0 📌 0
Field of pink heather with a 20 foot round memorial stone tower in the distant center

Field of pink heather with a 20 foot round memorial stone tower in the distant center

Heather at Culloden Battlefield in Inverness Scotland. #AlphabetChallenge. #WeekHforHs

23.02.2026 13:21 👍 19 🔁 3 💬 0 📌 0

5 authors I've read at least 5 books by:

Pierce Brown
Stephen King
Octavia Butler
John McPhee
PG Wodehouse

22.02.2026 21:51 👍 1 🔁 0 💬 0 📌 0
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still unclear to me how the species made it this far

21.02.2026 14:56 👍 3390 🔁 702 💬 208 📌 202
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😕

21.02.2026 03:21 👍 29093 🔁 8641 💬 727 📌 477
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Valuing wildfire smoke–related mortality benefits from climate mitigation | PNAS Human-induced climate change has increased wildfire risks, associated air pollution, and health damages in North America. Despite its large potenti...

🚨🔥 NEW: Increasing mortality from wildfire smoke is directly traceable to greenhouse gas emissions. In our new paper in @pnas.org , we show that every megaton of CO2 emitted costs the US more than 10 million dollars in health costs from wildfire smoke. www.pnas.org/doi/10.1073/...

19.02.2026 18:46 👍 95 🔁 55 💬 4 📌 5

RFK Jr's legacy "ultimately will be measured by the senseless suffering his policies have wrought. The magnitude of that pain will unfortunately grow larger the longer he’s in office."

Another magnificent column by @lisamjarvis.bsky.social, one of the most truthful, fearless columnists out there

18.02.2026 21:31 👍 112 🔁 49 💬 6 📌 5
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We're pediatricians. We see how ICE is harming children. | Opinion Liam Ramos is one of more than 1,700 children to have been put in family detention centers since 2025. We call for these centers to close.

Grateful to pediatricians for speaking up and for standing up for the rights of children

www.usatoday.com/story/opinio...

17.02.2026 22:46 👍 48 🔁 21 💬 0 📌 0
A line of girls waiting to whack a multicolored pinata on a grass lawn surrounded by trees.

A line of girls waiting to whack a multicolored pinata on a grass lawn surrounded by trees.

#WeekGforGames
#AlphabetChallenge

Pinata!

18.02.2026 12:54 👍 3 🔁 0 💬 0 📌 0
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EPA repeals bedrock environmental rule. CT experts warn of potential dire consequences Without the finding, the federal government isn’t required to regulate greenhouse gas emissions from motor vehicles, putting Connecticut at risk of more air pollution, warming waters and extreme weath...

“We'll see more childhood asthma. We'll see more emergency room visits for people with chronic lung disease and heart disease. None of this is good for public health,” Hill said. #PublicHealth #AirPollution #EndangermentFinding #EPA

17.02.2026 13:15 👍 2 🔁 0 💬 0 📌 0
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Trump Administration Announces That We Don’t Know Where the Sun Goes at Night After deciding carbon dioxide does no harm, it was the logical next move.

Best commentary I've seen on the repeal of the endangerment finding:

www.theatlantic.com/newsletters/...

15.02.2026 05:45 👍 37 🔁 18 💬 1 📌 0
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The Air We Breathe Is A Health Equity Issue Public health is rooted in prevention. We act when strong evidence shows that exposure causes harm. On air pollution, the data has been clear for decades.

The Air We Breathe Is A Health Equity Issue www.forbes.com/sites/bernad...

13.02.2026 11:51 👍 16 🔁 8 💬 2 📌 0
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The History of the Endangerment Finding The Trump Administration has repealed the landmark scientific finding that provides a legal basis for tackling climate change.

“How can you go from science which was very, very strong in 2009 and is only stronger now in 2026 to saying science isn't strong enough to support it. You cannot. That's not a scientific judgment. That's a political judgment.” My statement in Time.
time.com/7377810/trum...

12.02.2026 19:38 👍 51 🔁 17 💬 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

30 countries use mail voting

12.02.2026 21:21 👍 2351 🔁 974 💬 102 📌 49

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

12.02.2026 20:38 👍 12629 🔁 4473 💬 207 📌 113
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A Dangerous Retreat from Science: CTC Condemns EPA’s Endangerment Finding Repeal — Change The Chamber (February 12, 2026) T he EPA just erased a cornerstone climate safeguard, brushing aside established science and weakening limits on pollution. The result? More risk, more disasters, and a heavier ...

🔥 Donald Trump & EPA administrator Lee Zeldin have officially made #climate denial U.S. policy. Their decision to repeal the #EndangermentFinding is a slap in the face of Americans who are being battered by extreme weather, wildfires, droughts & other climate disasters.
🔗 Read our full statement. ⬇️

13.02.2026 02:01 👍 6 🔁 4 💬 0 📌 1

YOU CAN PRINT THAT... honestly, too many outlets not being able to share this obvious and dangerous truth is a big part of how we've gotten to where we are.

12.02.2026 23:56 👍 326 🔁 88 💬 0 📌 3
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US repeals key ‘endangerment finding’ that climate change is a public threat Overturning the 2009 decision means billions of extra tonnes of greenhouse-gas emissions over the next three decades.

Today’s action “is a rejection of the most basic laws of physics”, says #climate scientist Friederike Otto.

I report on the EPA revoking its own ruling on the danger of greenhouse gases:

www.nature.com/articles/d41... 🧪

12.02.2026 23:33 👍 75 🔁 45 💬 6 📌 5

They'll be coming for evolution next.

13.02.2026 01:30 👍 1 🔁 0 💬 0 📌 0