Company Response

7 Apr 2026

BHP

BHP's response to allegations of nitrogen oxide emissions

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Satellite observations reveal nitrogen oxide emissions from world's largest copper mines

Story 29 Apr 2026

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Freeport McMoRan's response to allegations of nitrogen oxide emissions

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14 Apr 2026

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Company Response

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Response South32

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13 Apr 2026

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Company Response

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No response Grupo Mexico

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7 Apr 2026

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Company Response

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BHP's response to allegations of nitrogen oxide emissions

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7 Apr 2026

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Company Response

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Satellite observations reveal nitrogen oxide emissions from world's largest copper mines

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3 Mar 2025

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Article

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