Alcoa expansion could produce 1.3B tonnes of greenhouse gas emissions, documents show By Cason Ho US aluminium giant Alcoa's proposed expansions to its mining operations near Perth would release three years worth of Australia's green house gas emissions over the projects' lifetimes, documents show. https://www.abc.net.au/news/2025-08-14/wa-alcoa-expansion-drinking-water-concerns/105651722 #MiningandMetalsIndustry #MiningEnvironmentalIssues #Industry #EnvironmentalImpact #CasonHo