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Popular Writing

Harper, Gavin D. J. 2026. “The world's supply of helium is being threatened by the Iran war.” The Conversation. https://doi.org/10.64628/ab.9gs7a5m7x.

Nguyen-Tien, Viet, Gavin D. J. Harper, and Robert J. R. Elliott. 2026. “Electric vehicles pass tipping point, breaking the link with oil prices.” The Conversation. https://doi.org/10.64628/ab.muvv9mnd3.

Nguyen-Tien, Viet, Gavin D. J. Harper, and Robert J. R. Elliott. 2026. “Batteries, coûts, réseaux… L'industrie automobile franchit le point de bascule et peut s'affranchir du pétrole.” The Conversation. https://doi.org/10.64628/aak.ktrwtsrhv.

Harper, Gavin D. J. 2026. “The Iran war has depleted supplies of tungsten, a critical mineral for the world's militaries.” The Conversation. https://doi.org/10.64628/ab.x9ya4pfa5.

Harper, Gavin D. J. 2025. “What resources will US gain access to under Ukraine mineral deal? Expert Q&A.” The Conversation. https://doi.org/10.64628/ab.hyhqeddhr.

Harper, Gavin D. J. 2023. “Huge phosphate discovery in Norway could fully charge the electric vehicle industry.” The Conversation. https://doi.org/10.64628/ab.ccwx5vfsk.

Harper, Gavin D. J. 2023. “China's gallium and germanium controls: what they mean and what could happen next.” The Conversation. https://doi.org/10.64628/ab.umpqata4r.

Harper, Gavin D. J. 2022. “War in Ukraine could cut global supply of essential elements for making green technology.” The Conversation. https://doi.org/10.64628/ab.ckk6mj9ce.

Harper, Gavin D. J., and Allan Walton. 2020. “Boris Johnson promises a UK offshore wind revolution – but China holds the monopoly on vital 'rare earth' metals.” The Conversation. https://doi.org/10.64628/ab.mr7am5vc3.

Harper, Gavin D. J. 2019. “Ford Bridgend closure: the UK's car industry could stage a revival by recycling rare earths.” The Conversation. https://doi.org/10.64628/ab.saancjt7j.

Harper, Gavin D. J. 2016. “Nine ways steel could build a greener economy.” The Conversation. https://doi.org/10.64628/ab.jfvskrpgs.