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.

Interior of chemical factory or plant workshop with metal industrial manufacturing production equipment

Opinion: Artificial intelligence can spur chemical plant decarbonization

AI can help engineers navigate thousands of decisions each shift, including constant energy, emissions, and cost trade-offs.

The New Mexico state capitol building in Santa Fe

Clear Horizons Act, setting emissions goals, heads to New Mexico Senate floor

The Clear Horizons Act would enshrine the climate goals enacted by Gov. Michelle Lujan Grisham’s 2019 executive order to lower New Mexico’s greenhouse gas emissions to a 2005 target level.

A ship sailing past a large iceberg

Black carbon spewing from ships is a major climate threat in the Arctic

A coalition of nations and environmental groups is lobbying the International Maritime Organization to create regulations around black carbon, or soot, that spews from ships and blankets parts of glaciers and snow.
A view of ice-covered water with icicles forming on a nearby cliff
Credit: Hans/Unsplash

What over a century of ice data can tell us about the Great Lakes' future

Using old records, scientists created a new dataset on ice cover since 1897. It's already being used to study a declining fish species.
A fracking well next to a farm field

Fracking boom put oil field in Texas river’s floodplain

Lack of a state floodplain policy enabled oil companies to build in parts of Texas hit by an epic inundation less than 30 years ago.
A man wearing a business suit riding his bike to work

Encouragement boosts people’s likelihood to take climate action

Framing climate action as “doing more good” instead of “doing less bad” makes people more willing to act and feel better about it, a study finds.
The blue and white Energy Star logo sticker

Energy Star program survives Trump administration's budget cuts

Energy Star, the program that helps guide consumers to more energy-efficient appliances and electronics, has survived President Donald Trump’s attempt to kill it.
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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