Eight wonders of the world

By Anna Turns, Senior Environment Editor, The Conversation

This roundup of The Conversation’s environment coverage was first published in our award-winning weekly climate action newsletter, Imagine.

Every scalable solution has to start somewhere small. With a spark of an idea, an anomaly during an experiment or, perhaps, an empty seashell on an Irish beach.

Juan Diego Rodriguez-Blanco at Trinity College Dublin has found a clever use for discarded oyster shells – a byproduct of the shellfish industry. Remarkably, these shells can capture rare earth elements from water and lock them into new minerals. Rare earth elements…

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