Rising from the ashes, a hidden supply of critical elements emerges
Anuja Tripathi grew up in Kanpur, India, where coal fly ash from a nearby power plant coated rooftops, windowsills and laundry hung outside to dry.
Jun 10, 2026
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Engineering
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Energy & Green Tech
Solar tower plants gain open operational database, aiming to boost storage-friendly renewable power
Solar power towers can play an important role in the energy transition. They convert sunlight into heat that can be stored or used to generate electricity. Until now, however, data to test new methods for more efficient and ...
21 hours ago
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Energy & Green Tech
Battery-free artificial photosynthesis keeps solar fuel production stable under shifting sunlight
Researchers at Osaka Metropolitan University have developed an artificial photosynthesis system capable of producing solar fuels more stably by integrating a self-regulating chemical component directly into the electrolyzer ...
Jun 13, 2026
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Engineering
Low-water lithium extraction method achieves 95% recovery efficiency from brine salts
Engineers have developed a new technology that enables the direct extraction of lithium from solid salt mixtures derived from brines, offering a low-water, low-energy alternative to conventional lithium extraction methods.
Jun 10, 2026
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Energy & Green Tech
Why old EV batteries still go to waste—and how AI could change that
Even though retired lithium-ion batteries often retain up to 80% of their capacity, significant economic value and climate benefits are currently being lost. A new article in Nature Reviews Clean Technology, involving researchers ...
Jun 10, 2026
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Energy & Green Tech
How data center flexibility can relieve stress on North America's western grid
Data centers are among the fastest-growing sources of electricity demand, with some now consuming as much power as entire cities to generate the computing power needed to support the expanding use of artificial intelligence. ...
20 hours ago
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4
Engineering
UK social housing design must adapt to suit changing climate demands, say researchers
A study carried out by researchers at the University of Manchester has found that future climate change will bring a clear shift toward summer cooling requirements, with implications for grid capacity, occupant well-being ...
22 hours ago
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1
Energy & Green Tech
Microwave-based method to upcycle old lithium-ion cathodes
Lithium-ion batteries power everything from phones and electric vehicles to grid-scale energy storage and earbuds, but their cathodes—the part of batteries denoted by a plus sign—are expensive to make and rely on minerals ...
Jun 16, 2026
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Business
Gulf Coast coal holds billions in critical minerals, but the economics are tricky
Researchers from The University of Texas at Austin have found that there is a significant amount of rare earth elements trapped in the coal and coal ash supply of the Gulf Coast—with a total value of more than $187 billion.
Jun 16, 2026
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Energy & Green Tech
Life isn't easy at the edge of the power grid. Could batteries and microgrids offer a brighter future?
Australia's big clean energy projects get a lot of attention, from giant solar farms to the Snowy 2.0 pumped hydro scheme. So does the push for rooftop solar and home batteries.
Jun 16, 2026
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