Our 5 most read stories of 2023

Revisit the stories that most resonated with our readers this year.

It's always interesting to what stories touch people.


As with much of the internet, there often seems to be no real rhyme or reason. However, this year we found our audience remains engaged on PFAS chemicals in consumer products like oat milk and contact lenses. We also saw readers hungry for information on the East Palestine, Ohio, train spill and aftermath.

Check out what others have been reading. Below are our top five most read stories from the past year.

1. Testing finds glyphosate in two popular oat milks

glyphosate oat milk

Two out of 13 popular brands of oat milk had detectable levels of the controversial herbicide glyphosate, according to a report from Mamavation.

2. 800,000 tons of radioactive waste from Pennsylvania’s oil and gas industry has gone “missing”

fracking radioactive

Waste from the oil and gas industry contains toxic and radioactive substances. Disposal of this waste is supposed to be carefully tracked, but 800,000 tons of oil and gas waste from Pennsylvania oil and gas wells is unaccounted for, according to a study.

3. Are you putting PFAS on your eyeballs?

PFAS contacts lens

Eighteen kinds of soft contact lenses have detectable levels of organic fluorine, an indicator of the group of chemicals known as PFAS, according to a report from Mamavation.

4. After the eighth catastrophic train derailment in the greater Pittsburgh area in five years, advocates demand better protections

train derailment

In February, about 50 Norfolk Southern train cars derailed in East Palestine, Ohio, about an hour northwest of Pittsburgh, causing an explosion and subsequent fire that continued burning through Sunday night.

5. The EPA has disclosed additional, concerning chemicals released during the train derailment in East Palestine, Ohio

Ohio train derailment

In February, the U.S. Environmental Protection Agency (EPA) sent a letter to Norfolk Southern Railway Co. that cited additional chemicals released during the company’s Feb. 3 train derailment in Ohio that were not previously known to the public.

Three Chinese scientists scrutinizing six test tubes of blue liquid

China is the new science power: how will Europe respond?

China is taking the lead in international science: A new study shows how China overtakes the US in key areas of research and increasingly dominates the agenda. What does this mean for Europe?
Scientist examines the result of a plaque assay, which is a test that allows scientists to count how many flu virus particles (virions) are in a mixture.
Credit: Photo by CDC on Unsplash

Insiders warn how dismantling federal agencies could put science at risk

From NASA to the National Institutes of Health, federal agencies conduct research that universities cannot. Agency scientists speak out about the irreplaceable facilities, institutional knowledge and training opportunities that the country is losing.
A bobblehead of President Donald Trump on the floor of the Arizona House of Representatives

‘Trump is against humankind’: World leaders at climate summit take swipes at absent president

Some of Thursday's speeches reflected anger and dismay at U.S. policies but could not hide the ambivalence that many countries feel about this year's climate talks.
Large crowd gathered at the Place de la République, Paris, France for climate protest
Credit: Photo by Jean-Baptiste D. on Unsplash

10 years after the Paris Climate Agreement, here's where we are

Has anything really changed in the decade since the Paris Agreement was reached? Actually, quite a lot.
A 3D illustration of a bar chart with orange and blue bars

Planet in peril: 30 years of climate talks in six charts

As leaders gather for the U.N. climate summit in Brazil this month - three decades after the world's first annual climate conference - the data charting progress in the fight against global warming tells a sobering story.
Huge solar array in Dunhuang, China
Credit: Photo by ダモ リ on Unsplash

China, world’s top carbon polluter, likely to overdeliver on climate goals. Will that be enough?

Experts say China is likely to exceed its modest climate goals, but question if it will be enough to help the world curb warming.
Abigail Spansberger speaking at TEDx MidAtlantic
Credit: https://www.flickr.com/photos/tedxmidatlantic/ https://creativecommons.org/licenses/by-nc-nd/2.0/

Elections set up national battleground over electricity

Republicans got hammered in Virginia and New Jersey gubernatorial races, but Democrats still need to find their message on energy policy.
From our Newsroom
Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

One facility has emitted cancer-causing chemicals into waterways at levels up to 520% higher than legal limits.

Regulators are underestimating health impacts from air pollution: Study

Regulators are underestimating health impacts from air pollution: Study

"The reality is, we are not exposed to one chemical at a time.”

Pennsylvania governor Josh Shapiro speaks with the state flag and American flag behind him.

Two years into his term, has Gov. Shapiro kept his promises to regulate Pennsylvania’s fracking industry?

A new report assesses the administration’s progress and makes new recommendations

silhouette of people holding hands by a lake at sunset

An open letter from EPA staff to the American public

“We cannot stand by and allow this to happen. We need to hold this administration accountable.”

wildfire retardants being sprayed by plane

New evidence links heavy metal pollution with wildfire retardants

“The chemical black box” that blankets wildfire-impacted areas is increasingly under scrutiny.

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