Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

For centuries, San Francisco's Bay Area has been a center for salt extraction, causing striking, unnatural colors to form. These caught the eye of local photographer Barbara Boissevain, whose new book ...

This is read by an automated voice. Please report any issues or inconsistencies here. Villagers harvest salt from five-century-old family ponds using an ancient Quechua principle of collective labor ...

The Redwood City Salt Ponds were converted into an industrial salt extraction site in 1901 and further developed over the next century. Cargill Corporation, the nation’s largest private company, ...

One of the nation’s most ambitious environmental-restoration projects got under way Monday as officials began the yearslong process of turning industrial salt ponds on the edge of San Francisco Bay ...

Kuuleialoha Gaisoa determines whether a person is worthy of receiving her Hawaiian pa‘akai, or salt, based on whether they’ll help her protect the salt ponds of Hanapēpē on Kaua‘i. Like the kūpuna, or ...

A western snowy plover looks around at Limantour Beach in Point Reyes on May 15, 2025. Photo by Magali Gauthier. On an overcast morning in mid-April, biologist Maddy Schwarz parked her truck on a ...

CUSCO, Peru (AP) — When Uriel plans his work schedule late in summer near his village in the Peruvian mountains, his first decision is usually which friend’s salt pond he will work that day. In ...