Haze in Philadelphia might aggravate heart disease, asthma and emphysema. Can masks help?

It depends on how good your mask is, because this smoke contains particles much tinier than those COVID-19 respiratory droplets you've been dodging.
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Covid has made us use even more plastic – but we can reset

Lockdown has highlighted the versatility of this everyday material, while creating a mountain of waste, says environmental campaigner Christian Dunn.


Judy Martin: Kids aren't just littler adults – here's why they need their own COVID-19 vaccine trials

trials are necessary because children have important differences in physiology and responses to vaccines from those of adults. Conducting separate studies in children under age 12 is a vital step toward ending the pandemic.


C.D.C. director warns of a 'pandemic of the unvaccinated'

Cases, hospitalizations and deaths remain far below last winter’s peak, but the director urged people to get fully vaccinated.

Court affirms health workers' rights to speak up on safety

Hospitals may need to revise their policies barring workers from talking to the news media after a recent federal ruling.

Wildlife and livestock a risk factor in future pandemics, say studies

The risk of pathogens spilling over from wildlife trade and farmed animals into humans should be key considerations in efforts to prevent the next pandemic, research suggests.


Dr. Robert Bullard: 'We don't have 40 years' to fight for climate justice

The 'father of environmental justice' discusses the legacy of his work, how systemic racism in agriculture is tied to the larger injustices faced by Black and brown communities, and what brings him hope in this moment.

Trump ag secretary Sonny Perdue personally lobbied to keep meatpacking plants open during pandemic, emails show

New emails obtained by nonprofit Public Citizen show Perdue personally lobbying to keep plants open, including pressing Robert Redfield, the former Centers for Disease Control and Prevention director.


Covid's Delta variant: What scientists know

The variant is gaining traction worldwide. But vaccines are driving down coronavirus case numbers in the U.S., and it’s unclear whether Delta will reverse that trend.

Jeremy Caradonna: The pandemic has revived hope that a more sustainable world is possible

Economic growth is inextricably linked to the climate crisis, but the past year has taught us that such growth isn't essential.


The complex situation for immunocompromised people and COVID-19 vaccines

Studies suggest the available shots don't provide enough protection, leaving more than nine million Americans with compromised immune systems stuck in a waiting game.


Some incarcerated meatpacking workers spent ‘100 percent’ of their time in high-risk settings during pandemic

Some meatpacking plant workers found themselves at the intersection of two of the riskiest settings during the pandemic: Correctional facilities and meatpacking plants.

EHN en Español

La Eurocámara vota el fin de las jaulas en las granjas, en directo

Los eurodiputados debaten y votan este jueves una resolución elaborada como respuesta a una iniciativa ciudadana europea para acabar con las jaulas en las granjas.

From our Newsroom

A toxic travelogue

The first four stops on a tour tracing American history through its pollution.

Breast cancer: Hundreds of chemicals identified as potential risk factors

Researchers find nearly 300 chemicals linked to breast cancer-contributing hormones in everyday products, and call for a renewed focus on women's exposure risks.

My island does not want to be resilient. We want a reclamation.

Unlearning academic jargon to understand and amplify beauty and power in Puerto Rico.

Measuring Houston’s environmental injustice from space

Satellites show communities of color are far more exposed to pollution in Houston, offering a potential new way to close data gaps and tackle disparities.

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 real story behind PFAS and Congress’ effort to clean up contamination: Op-ed

Former EPA official Jim Jones sets the record straight on 'the forever chemical' as lawmakers take up the PFAS Action Act

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