Articles on Critical minerals

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Construction workers gather at facility in Kingston, Ont., which will be used as a start-up laboratory to test new processes related to critical minerals and other emerging technologies. (Chris Arsenault)

Canada’s $43‑billion subsidy scheme for critical minerals misses supply chain steps

Canadian officials have pledged more than $43 billion in subsidies to create new low-carbon supply chains. A new study identifies some problems.
U.S. President Donald Trump meets with Congo’s Foreign Minister Therese Kayikwamba Wagner, second from right, and Rwanda’s Foreign Minister Olivier Nduhungirehe, second from left, in June 2025, in the Oval Office at the White House. (AP Photo/Manuel Balce Ceneta)

Congo and critical minerals: What are the costs of America’s peace?

Is the U.S.-brokered peace agreement between Rwanda and the DRC a genuine path to sustainable peace, or a continuation of U.S. President Donald Trump’s coercive diplomacy?
Potato-sized polymetallic nodules from the deep sea could be mined for valuable metals and minerals. Carolyn Cole / Los Angeles Times via Getty Images

We don’t need deep‑sea mining, or its environmental harms. Here’s why

Commercial mining of the deep sea could begin soon. But these metals and minerals are not scarce. Mining will be harmful and the economic benefits are overstated.
Prime Minister Anthony Albanese and WA Premier Roger Cook visit Collie Battery Energy Storage System at the Collie Power Station in the electorate of O’Connor. Lukas Coch/AAP

Albanese government announces $1.2 billion plan to purchase critical minerals

A re-elected Albanese government will take the unprecedented step of buying or obtaining options over key critical minerals to protect Australia’s national interest.
A cnidarian is attached to a dead sponge stalk on a manganese nodule in the Clarion-Clipperton Zone. Diva Amon and Craig Smith, University of Hawaii at Mānoa

Deep‑sea mining threatens sea life in a way no one is thinking about, and Trump’s order could clear the way for operations soon

Companies are preparing to move forward with seabed mining, but a method for gathering critical minerals from the seafloor would create sediment plumes in the water column where many creatures live.
A dragline excavator mines rare earth materials in the Zhytomyr region of Ukraine on Feb. 25, 2025. Kostiantyn Liberov/Libkos/Getty Images

US, Ukraine sign ‘economic partnership’ centered on Ukraine’s wealth of critical minerals – but extracting them isn’t so simple

Critical minerals are in demand around the world for military, technology and other uses. A geoscientist shares what’s known about Ukraine’s reserves, which could help the country recover from war.

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