Nate Seltenrich

PFAS takeout

Want single-use foodware without harmful chemicals? A new certification will help you find it

GreenScreen certification examines foodware for PFAS, BPA, and thousands of other concerning chemicals—but transparency on chemical replacements remains elusive.

Here’s a secret about single-use foodware: brands and manufacturers don’t have to tell what’s in it, and in some cases, they don’t even know.

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food dye children health

Food dyes linked to attention and activity problems in children

Synthetic dyes used as colorants in many common foods and drinks can negatively affect attention and activity in children, according to a comprehensive review of existing evidence published this month by the California Office of Environmental Health Hazard Assessment (OEHHA).

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As legal cannabis spreads, growers go organic — and beyond
Credit: Buddy Buddy Indoor Natural

As legal cannabis spreads, growers go organic — and beyond

On a noisy, littered block in southeast San Francisco lined end-to-end with mismatched warehouses, Chris Lu grows organic cannabis for discerning customers in California's legal market.

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Inequality of noise exposures: A portrait of the United States.

Noise pollution has been associated with adverse cardiovascular and neurological outcomes.1 It is also unevenly distributed across cities and landscapes and—like many environmental hazards—tends to disproportionately affect lower-income and nonwhite individuals.2 The authors of a new study in Environmental Health Perspectives provide an initial assessment of socioeconomic inequality in environmental noise exposures across the contiguous United States.2

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Phytoestrogens in soy infant formula: Association with DNA methylation in girls has unknown implications.

For years, parents have contended with conflicting reports1,2,3,4,5 in the media and blogosphere on the safety of soy infant formula. Soybeans contain phytoestrogens, which under some conditions mimic or interfere with the estrogens within the human body.6 However, the National Toxicology Program concluded in 2009, based on the research to that point, that exposures to phytoestrogens in soy formula are of “minimal concern.”7 Research in the field continues apace, with a new study providing evidence of an association between soy formula consumption and differences in gene methylation in baby girls—although any health implications remain unknown.8

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Exploring chemical transport through food: A proposal for a comprehensive approach to predict exposures.

Nate Seltenrich covers science and the environment from Petaluma, CA. His work has appeared in High Country News, Sierra, Yale Environment 360, Earth Island Journal, and other regional and national publications.

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environmental justice

LISTEN: Beau Taylor Morton on the power of community organizing

“People can see you engaged and wanting to begin the work, not only as a researcher, but you’re invested in the community.”

population environmental

Op-ed: What the media gets wrong about the new world population numbers

The last time that we lived within the productivity limits of our planet was about 50 years ago — that is a problem.

hazarours waste pennsylvania

Pennsylvania’s first proposed hazardous waste landfill would be near homes and schools

Residents can voice their opinions at an upcoming public hearing or in public comments.

Cape fear river North Carolina

Where did the PFAS in your blood come from? These computer models offer clues

New research could help pinpoint “forever chemicals” exposure — giving communities a roadmap for cleanup and individuals direction on what to avoid.

PFAS Testing

Investigation: PFAS on our shelves and in our bodies

Testing finds concerning chemicals in everything from sports bras to ketchup, including in brands labeled PFAS-free.

Making an impact with environmental health: Yanelli Nunez, PhD.

Making an impact with environmental health: Yanelli Nunez, PhD.

Engaging in ways to make scientific work more impactful