Rio Tinto, majority owner of Energy Resources of Australia, to take charge of Ranger uranium mine rehabilitation.

The closed Ranger mine's rehabilitation costs have soared above $2.2 billion with completion delayed beyond 2028.

Rio Tinto's intervention follows disputes with ERA, leading to the demand for ERA's chairman to step down.

Mirarr traditional owners approve of Rio Tinto's role but are dissatisfied with ERA's control over Jabiluka mineral lease.

The move is part of Rio Tinto's strategy to bolster its cultural heritage policies post-Juukan Gorge incident.

Conservationists give a cautious nod to Rio Tinto's rehabilitation takeover due to its resources and expertise.

Australia remains a key player in the global uranium market despite its internal ban on nuclear energy.