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.

Pipelines extending toward a geothermal energy plant with steam rising from it

Can the US harness old oil and gas wells to produce geothermal energy?

Red and blue states alike are working to transform abandoned wells from costly, polluting liabilities into sources of clean power and heat.
A view of a lake with trees at the water line

Tree lines are migrating. Some up, some down

Between 2000 and 2020, 42% of tree lines around the world crept upward, largely because of climate change. But 25% moved downhill, seemingly because of factors such as land use changes and wildfires.
A private plane painted black sitting on the tarmac

Private jets flocking to Cannes branded 'obscene' as fuel crisis sparks food shortage fears

More than 700 private flights flew to and from Cannes Film Festival for last year’s star-studded event, burning two million liters of fuel.

A person holding a card with the ace of diamonds on it

Is the best climate bet a cleaner grid or a cleaner sky?

In a rare head-to-head test of returns on investment, renewables bested carbon capture in almost all scenarios across the U.S. through 2050.

A doctor wearing a medical mask standing in front of patients in chairs

How climate change could help hantavirus find more hosts

Experts say extreme weather is boosting the odds that the pathogens carried by rodents will spill over into human populations.
Great Sand Dunes National Park sign
Credit: Jeffrey M. Frank/BigStock Photo ID: 28064495

Trump administration to scrap rule encouraging conservation

The Biden-era measure was intended to protect millions of acres from industrial development and the effects of climate change.
The construction of a warehouse or data center in a dry location
Credit: ungvar/Big Stock Photo ID: 474261073

EPA plan would let work start on data centers, power plants before air permits

Developers could start building "non-emitting" components ahead of air permitting under Administrator Lee Zeldin's proposal.
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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