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.

A semi truck hauling a large gas container

Industrial gas giants quietly outpace tech and oil companies in power use and emissions

Companies producing everyday gases like nitrogen and oxygen are among the world’s largest electricity consumers, responsible for 2% of carbon emissions in China and the U.S. Despite their massive climate footprint, firms such as Linde, Air Liquide, and Air Products have largely escaped public scrutiny.

Canadian parliament building with a Canadian flag waving above it on a dark night

How Carney’s first budget impacts the environment

Prime Minister Mark Carney’s budget scales back rules around greenwashing, and hints an oil and gas emissions cap is unlikely. But it introduces a youth climate corps and renews efforts to lift boil-water advisories

A solar panel at sunset with wind turbines in the distance

$10 trillion in green investments counter Trump’s climate backlash

The landmark Paris Agreement triggered a wave of climate commitments. A decade later, Bloomberg examined seven key categories to chart progress amid a new era of attacks on global warming science and action.
man wearing black t-shirt close-up photography raising his hand in a college classroom

Climate change ‘is the new liberal arts’: Colleges build environmental lessons into degrees

The University of California, San Diego, is among a growing number of colleges requiring all undergraduates to take courses on climate change, reflecting a shift in higher education toward preparing students in every field to understand and respond to the global climate crisis.

The tip of a spit of land with aqua water surrounding it

Ethanol plant spills harmful wastewater into Philippine marine reserve

A collapsed wastewater pond at a Philippine ethanol distillery released millions of gallons of chemical-laden water into Bais Bay, endangering marine life in the Tañon Strait Protected Seascape and disrupting livelihoods across nearby fishing communities.

Typhoon victims wade through floodwaters in storm aftermath
Credit: Photo by Misbahul Aulia on Unsplash

Typhoon Kalmaegi leaves dozens dead in central Philippines

Typhoon Kalmaegi has left at least 66 people dead and 26 missing in the central Philippines. Many were trapped on roofs or swept away by floods in Cebu, which was hit hard on Tuesday.
Ships in port with refinery and pollution-belching smokestack in background
Credit: Photo by Chris LeBoutillier on Unsplash

The global race to slash emissions — in nine charts

The pressure is on for leaders attending the 30th UN Climate Change Conference to prevent global warming from accelerating further. Where are countries making strides?
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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