Waste stabilisation ponds (WSPs) are an integral component of sustainable wastewater treatment, harnessing natural biological, physical and chemical processes. Their design leverages simple ...
FREMONT, Calif. — Environmentalists and developers have been battling for years over the fate of a salt production site on prime south San Francisco Bay real estate. Now, the Army Corps of Engineers’ ...
Perhaps unsurprisingly, taking photographs from a doorless helicopter was proving more difficult than San Francisco Bay Area photographer joSon had anticipated. Bundled in ski apparel and buckled into ...
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 ...
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 ...