Energy & Green Tech

Chile's lithium dreams raise water concerns in the desert

As night falls in Chile's Atacama desert, the world's driest, a drilling machine extracts brine to measure levels of lithium—a crucial mineral for the global switch to cleaner energy, but harmful in its own way.

Energy & Green Tech

Giant lithium partnership created in Chile

Chile's state-owned copper giant Codelco signed a deal Friday with SQM to nearly double the private mining firm's current extraction of lithium, a key mineral for the global switch to cleaner energy.

Energy & Green Tech

Salt battery harvests osmotic energy where the river meets the sea

Estuaries—where freshwater rivers meet the salty sea—are great locations for birdwatching and kayaking. In these areas, waters containing different salt concentrations mix and may be sources of sustainable, "blue" osmotic ...

Energy & Green Tech

Solution to energy storage may be beneath your feet

Anyone who has ever hot-footed it barefoot across the beach on a sunny day walks away with a greater understanding of just how much heat sand can retain. That ability is expected to play a vital role in the future, as technology ...

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