Researchers with DeepGreen Metals deploy a box core tool to capture a sample of the seafloor.

The electric vehicle boom is driving a surge in demand for prized metals needed for batteries and other components. Some companies say the solution lies in mining the deep oceans, but scientists say that could irreversibly damage a vast, largely pristine ecosystem.

By Tatiana Schlossberg

Cities

Urban Refuge: How Cities Can Help Solve the Biodiversity Crisis

Cities have long been considered species deserts, devoid of wildlife beyond pigeons and squirrels. But with animals such as snowy owls, otters and bobcats now appearing in urban areas, scientists are recognizing that cities can play a significant role in fostering biodiversity.

By Janet Marinelli

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Gila Lower Box Canyon in southwestern New Mexico.

Biodiversity

Once a Rich Desert River, the Gila Struggles to Keep Flowing

The Gila was once a vibrant desert river, providing a lifeline for the riparian habitat and wildlife that depended on it in the U.S. Southwest. But population growth, agricultural withdrawals, and, increasingly, climate change have badly diminished the river and threaten its future.

By Jim Robbins / Photography by Ted Wood

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