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.

Smokestacks emitting smoke against a blue sky

Why Scope 3 emissions are a big deal for Canada

Greenhouse gases released indirectly through business activities, called Scope 3 emissions, can be massive — but Canadian companies don’t report them
A green trash bag holding remains of a melon

The climate solution sitting in America’s trash

Cutting food waste is a huge potential climate win. Why are we ignoring it?
Rainforest with green fronds and orange flowers

Carbon offsets are failing. Can a new plan save the rainforests?

Brazil is set to unveil an ambitious international plan that would provide up to $4 billion a year to countries that protect their tropical forests. Proponents see it as a potential game-changer for forest conservation, but some ecologists and economists are raising concerns.
A view of a Babylonian fortress ruin in Iraq

Cradle of civilisation at risk of erosion in Iraq due to climate change

Iraqi officials are sounding the alarm to save monuments of the cradle of civilisation, with thousands of years of history at risk of disappearing as Iraq's ancient southern cities face erosion because of climate change.
An oil tank with the sunset in the background

Major American LNG exporters habitually break air pollution laws, report finds

With Trump propelling the U.S. LNG industry into a massive expansion, companies are flouting landmark environmental laws.
A pile of trash, including plastic bottles, floating in a water source

Heavy rains and poor waste systems drive microplastics into India’s urban lakes

Researchers warn that India’s urban freshwater bodies are becoming increasingly toxic due to unmanaged plastic waste and intensifying weather patterns.

Hurricane satellite view
Credit: Getty Images For Unsplash+

The dangerous combination that made Melissa a monster hurricane

Hurricane Melissa’s power was undeniable, intensifying faster than most storms on record.
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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