Ohio River regulators planning riverwide PFAS study

Twenty locations along the river including Pa. will be sampled for this group of "forever chemicals" associated with reproductive problems, liver, kidney and thyroid disease, and cancer.
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The complicated history of the Kinzua Dam and how it changed life for the seneca people

The Kinzua Dam, which protects Pittsburgh from flooding and pollution, took thousands of acres of the Seneca's territory and destroyed nine communities. We look at the past and future of the Seneca Nation.
Plastic Pollution

Ohio group worried about water pollution from ethane cracker gets state meeting, but little action

The group is concerned that plastic pellets from a proposed cracker plant in Belmont County, Ohio will pollute the Ohio River.

LISTEN: EHN's Pittsburgh reporter discusses air pollution from U.S. Steel's Clairton Coke Works

PITTSBURGH—EHN's Pittsburgh reporter Kristina Marusic joined Allegheny Front's Kara Holsopple to talk about U.S. Steel's Clairton Coke Works, one of the biggest emitters of air pollution in Pennsylvania.

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What you need to know about air quality, the U.S. Steel settlement and temperature inversions

Kara Holsopple and Kristina Marusic discuss the settlement of a class action lawsuit against U.S. Steel and how the Christmas temperature inversion that made Pittsburgh's air smell like "rotten eggs, sewer backup, burning plastic and hospital waste."

Nurdle Patrol participant Sam Sugarek shows off a nurdle found along the beaches of Texas. (Credit: Jace Tunnell)

Ever hear of a nurdle? This new form of pollution could be coming to the Ohio River

When the petrochemical plant being built by Shell Chemical Appalachia in Beaver County is complete, it's anticipated to bring 600 jobs as well as spinoff industries. But some researchers and activists warn that it could also bring a new type of pollution to the Ohio River Valley — nurdles.

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State investigating potential cancer cluster in Washington County

The Pennsylvania Department of Health is looking into whether there is a pediatric cancer cluster in a Washington County school district.


DEP orders Erie Coke to address numerous violations

The Pennsylvania Department of Environmental Protection has ordered Erie Coke to address a number of ongoing violations of the Pennsylvania Air Pollution Control Act at its plant at the foot of East Avenue.


Photographs and poetry reveal tension fracking brings to Pennsylvania

A book of poetry and photographs looks at the risks and benefits after a decade of fracking in Pennsylvania.

How climate change hurts kids’ health

More severe storms, rising sea levels and temperatures will affect all of us in one way or another.


Pollution is changing the diet of songbirds

The acid mine drainage that has caused thousands of miles of Pennsylvania streams to turn orange is also killing off the aquatic insects that the Louisiana waterthrush eats.

Air advocates read 'scroll of smells' at health board meeting

To highlight the unhealthy industrial smells and emissions degrading Allegheny County's air quality, local environmental and public health advocates at Wednesday's Board of Health meeting read from a 230-foot-long scroll with a list of more than 11,000 citizen complaints.


Mother works to ban the chemical that killed her son

Her son died from inhaling the fumes of a chemical common in paint strippers. Now a local woman is asking the government and hardware stores to ban it.

Burning the forest to protect one of its most threatened visitors

Normally starting a blaze on public land is frowned upon by the Game Commission, but these fires could help save the warbler from extinction.

Gearing up for frack fight, Ohio residents turn to PA experts

Ohioans are concerned about the impact that all the new well pads, pipelines, compressor stations and diesel truck traffic are having on the environment and the quality of life in their rural communities.

From our Newsroom

Earth Day: Amidst the greenwashing, it's still a good thing

When corporations tout their greenness and journalists get beaten senseless by lame ideas.

‘Forever chemicals’ coat the outer layers of biodegradable straws

More evidence that harmful PFAS chemicals are sneaking into some "green" and "compostable" products.

Pesticide DDT linked to increased breast cancer risk generations after exposure

Groundbreaking study finds women whose grandmothers had high DDT exposure are more likely to be obese and have early menstruation—both breast cancer risk factors.

Want more clean energy? Focus on people, not technology

Energy decisions can be deeply personal. We need to listen to households and communities before we prescribe their energy transition.

Fractured: The body burden of living near fracking

EHN.org scientific investigation finds western Pennsylvania families near fracking are exposed to harmful chemicals, and regulations fail to protect communities' mental, physical, and social health.

The political, media, and community response to our Fractured investigation

From a media blitz to calls for statewide drilling bans, here's a look at the fallout and impacts so far from EHN's investigation of western Pennsylvania fracking impacts.

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