Melanie Bergmann

plastic treaty

Op-Ed: Closing the plastic tap

Why the U.N.’s plastic treaty must cap production and include chemicals too.

In March, the United Nations’ Environment Assembly adopted a landmark resolution, supported by 175 countries, to end plastic pollution with a legally binding treaty.

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Ocean plastic pollution
Antoine Giret/unsplash

Scientists: US needs to support a strong global agreement to curb plastic pollution

On Monday, world leaders will gather at the United Nations Environment Assembly (UNEA) in Nairobi to negotiate a global treaty to address plastic pollution.

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From our Newsroom
katharine hayhoe

Peter Dykstra: Journalists I’m thankful for

My third annual list of the over-achieving and under-thanked.

WATCH: The latest evidence of widespread sperm count decline

WATCH: The latest evidence of widespread sperm count decline

"Pregnant women, and men planning to conceive a pregnancy, have a responsibility to protect the reproductive health of the offspring they are creating."

pacific salmon

Car tire chemicals are killing salmon and steelhead

The chemical 6PPD, added to tires to prevent degradation, is causing a “complete breakdown of the blood brain barrier” in fish, a new study found.

sperm count decline shanna swan

A new analysis shows a “crisis” of male reproductive health

Global average sperm count is declining at a quicker pace than previously known, chemical exposure is a suspected culprit.

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.

sperm count decline

Frequently asked questions on the new sperm count decline study

Sperm counts are declining everywhere — the implications are huge.