If developed, the $2.4 billion Jadar lithium project in Western Serbia could cover 90% of Europe's current lithium needs.
Environmental campaigners are challenging the approval of a coking coal mine in northwest England.
Simandou has faced delays due to legal disputes, political changes, and the challenges of building out 600 km rail and port infrastructure.
IGO has been undertaking a strategic review in an attempt to revaluate its resources.
