The Latest from Maddie Stone

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  Clean energy supply chain

  The clean energy metals caught in the crosshairs of US-China trade war

  Gallium and germanium are key to some clean energy tech. China blocked exports of the metals to the U.S. in December, leaving the country searching for a new source.

  By Maddie Stone  .  11 February 2025

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  Clean industry

  Copper is in high demand. These startups aim to refine it in a cleaner way.

  The world cannot reach its climate goals without copper, but producing it is carbon-intensive, polluting, and increasingly difficult. New tech could change that.

  By Maddie Stone  .  11 December 2024

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  Clean aluminum

  The first new US aluminum plant in decades plans big emissions cuts

  Century Aluminum Company hopes half a billion dollars in federal funding will help it revive a dying industry — and make it less polluting.

  By Maddie Stone  .  7 May 2024

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  Recycling renewables

  All that e-waste is full of metals that could be recycled for clean tech

  The copper, aluminum, and minerals in our old electronics could be reused in service of the clean energy transition, according to UN report.

  By Maddie Stone  .  19 April 2024

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  Recycling renewables

  A new Energy Department program aims to recycle wind turbine magnets

  Wind turbines often contain huge magnets made with valuable elements like neodymium. Scientists are exploring how to get a second life out of them.

  By Maddie Stone  .  5 March 2024

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  Batteries

  EV battery repair is dangerous — but some mechanics want to do it anyway

  Fixing the batteries of e-bikes and electric vehicles saves money and resources — but challenges are holding back the industry.

  By Maddie Stone  .  12 December 2023

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  Electric vehicles

  E-bike manufacturers are fighting right-to-repair. That's a problem

  As e-bikes proliferate, companies are embracing battery recycling — but opposing laws that would let consumers repair the bikes themselves.

  By Maddie Stone  .  14 August 2023