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Clean aluminum

Clean industry

This startup turns steel and aluminum waste into usable metals

Chicago-area Sun Metalon removes gunk and grime from metal slivers normally thrown away, helping to reduce emissions from aluminum and steel production.

By Kari Lydersen . 9 June 2025
Clean industry

Chart: Global clean industry investment fell sharply in 2024

Money to clean up steel, ammonia, chemicals, and other sectors dropped by more than half compared with 2023.

By Maria Gallucci . 14 February 2025
Clean industry

Biden’s $6B bid to clean up heavy industry at risk under Trump

A federal program that aims to clean up 33 industrial facilities, from steel mills to snack plants, could face big cuts in Trump's second term.

By Maria Gallucci . 11 November 2024
Clean aluminum

Cans to car parts: Inside the complex, crucial world of aluminum recycling

Recycling aluminum involves a vast supply chain, from trash pickers to factories that melt scrap. It’s also crucial to slashing the metal’s carbon emissions.

By Maria Gallucci . 12 September 2024
Clean aluminum

A new green aluminum plant could bring jobs — and clean energy — to Kentucky

The coal-rich state wants to land the first new U.S. smelter in 45 years. But the deal won’t happen unless Kentucky can furnish lots of clean energy.

By Maria Gallucci . 10 September 2024
Clean aluminum

New Zealand has a surprising tool to boost its grid: an aluminum plant

Making aluminum requires lots of power. Rio Tinto struck a new deal to deliver demand response and boost clean energy use at its Tiwai Point smelter.

By Maria Gallucci . 7 June 2024
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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