Hunt for deep sea minerals draws scrutiny amid green push

High demand for metals ranging from copper to cobalt is pushing the mining industry to explore the world's deepest oceans, a troubling development for scientists who warn that extracting minerals from critical ecosystems ...

Search for solutions drives race to save Utah salt flats

In the Utah desert, a treeless expanse of pristine white salt crystals has long lured daredevil speed racers, filmmakers and social media-obsessed tourists. It's so flat that on certain days, visitors swear they can see the ...

Green future is cause for worry in S.Africa's coal belt

Miner Thokozani Mtshweni, 37, looks spent as he readies for a 12-hour shift huddled under a carport shelter to avoid the scorching sun. He fixes his belt weighed down by an oxygen tank and gas detecting tools.

80-year-old mystery in static electricity finally solved

Historically, contact electrification (CE) was humanity's first and only source of electricity up until around the 18th century, yet its true nature is still elusive. Today it is considered a core component of technologies ...

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