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Gavin D. J. Harper

Gavin D. J. Harper

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The Iran war has depleted supplies of tungsten, a critical mineral for the world’s militaries

The Iran war has depleted supplies of tungsten, a critical mineral for the world’s militaries

The element is used in everything from missiles to armoured vehicles.

previous day 7

The Conversation

Gavin D. J. Harper

The world’s supply of helium is being threatened by the Iran war

Helium, a critical material, could be in short-supply due to Qatar’s suspension of gas production.

02.04.2026 10

The Conversation

Gavin D. J. Harper

What resources will US gain access to under Ukraine mineral deal? Expert Q&A

The deal gives the US access to reserves of minerals used in key technologies such as batteries and electric vehicles.

01.05.2025 10

The Conversation

Gavin D. J. Harper