The projects were unveiled as part of Rio Tinto’s newly announced plans to spend $US7.5 billion ($A10 billion) slashing its scope 1 and scope 2 emissions by half by 2030.

RIO TINTO - The proceeds will be returned through a $3.2 billion share buy-back programme (the “Programme”), combining an off-market buy-back tender targeting up to 41.2 million Rio Tinto Limited shares (approximately A$2.7 billion ($1.9 billion )) and further on-market purchases of Rio Tinto plc shares. The Programme is subject to market conditions and compliance with all applicable laws and regulations.