Alanna Mitchell

Winged Warnings: New generation

Winged Warnings: New generation

Growing up reading Rachel Carson, scientists unravel risks of new pesticides

SASKATOON, Saskatchewan – Christy Morrissey is driving her white pickup truck along the endless prairie highway, windows open, listening for birds. She points to the scatter of ponds glinting in the landscape, nestled among fields of canola that stretch as far as the eye can see.

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Winged Warnings: Heavy metal songs

Winged Warnings: Heavy metal songs

WAYNESBORO, Va. – Standing in the woods along the South River, Kelly Hallinger held the microphone up to capture the cacophony of songs, one at a time: the urgent, effervescent voice of the house wren, the teakettle whistle of the Carolina wren and the sharp, shrill notes of the song sparrow.

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Winged Warnings: Built for survival, birds in trouble from pole to pole

Winged Warnings: Built for survival, birds in trouble from pole to pole

The ice of Antarctica doesn't faze birds. Nor does the heat of the tropics. They thrive in the desert, in swamps, on the open ocean, on sheer rock faces, on treeless tundra, atop airless mountaintops and burrowed into barren soil.

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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.