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.

Flags of various nations fly on building

As U.S. and E.U. retreat on climate, China takes the leadership role

As U.N. talks get underway, China is emerging as a key leader in international climate efforts. It is empowering the global energy transition, and along with India and Brazil, is becoming the driving force in climate diplomacy and filling a vacuum left by the world’s rich nations. 
A home on stilts on the edge of an encroaching ocean

Are we all living in Florida now? The rise of 'don't say climate' politics

With the return of Trump-era climate denial and Democrats avoiding the term altogether, the U.S. is quietly adapting to a warming planet without naming the cause.

A black man walking on a solar panel installed on a roof

What does the just energy transition mean for Africa?

With around 600 million Africans still without electricity, leaders and communities are weighing how to expand affordable power while avoiding deeper dependence on fossil fuels.

An illustration of a healthy earth on the left and a warming earth on the right

Governments and billionaires retreat ahead of COP30 climate talks

With the U.S. under Trump reversing clean-energy efforts and Brazil allowing new oil exploration, the sense of urgency around a warming planet has given way to weary resignation.

Blue cranes placing coal onto large piles

Rise in Chinese off-grid coal plants in Indonesia belies pledge to end fossil fuel support

A surge in the supply of Chinese-backed coal-fired power plants built to supply electricity to Indonesia’s fast-growing nickel mining and processing sector is undermining Beijing’s efforts to dial back support for fossil fuels, a study has found.

Statsminister Jonas Gahr: Speaker at COP30
Credit: https://www.flickr.com/photos/statsministerenskontor/ Creative Commons Foto: Martin Lerberg Fossum https://creativecommons.org/licenses/by-nc/4.0/

COP30: 'Climate conference of truth' in Brazil?

At COP30, the international community again will try to agree on targets to limit catastrophic global temperature rise. But many barriers remain before steep greenhouse gas cuts are realized.
A rocky island in the middle of the ocean viewed from above

The ocean has been hoarding heat. Now it is building up a massive 'burp'

Even if humans cut emissions enough to reduce global temperatures, new research shows the Southern Ocean could kick warming back into gear.
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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