Once thought of in a niche sense, the solar-water nexus is a rapidly expanding network of applications. They include practical tools capable of solving persistent issues like water scarcity, as well as newly pressing issues like overcoming the water challenge of green hydrogen production. Blake Matich looks at such applications here in Australia and abroad.
Graphite’s pivotal role in electric-vehicle battery technology is coming under increasing scrutiny. Graphite is almost exclusively produced in China, and while the processing of the mineral poses serious environmental issues, the alternatives appear costly. Ian Morse looks at what’s next for critical graphite supplies.
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