EXPLAINER: What's making mid-Atlantic songbirds sick?

A mysterious ailment has sickened and killed thousands of songbirds in several mid-Atlantic states since late spring. While scientists are still racing to confirm the cause, it seems juvenile birds may be most susceptible. ...

Drought-hit California scales up plan to truck salmon to ocean

With chronic drought drying up rivers earlier than usual this year, California is scaling up a drastic operation to help its famous Chinook salmon reach the Pacific—transporting the fry by road in dozens of large tanker ...

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