SYDNEY -- Rio Tinto is digging for ways to curb greenhouse gas emissions across mining and smelting operations ranging from Australia and the U.S. to China, the company's largest market.
Commodities
Rio Tinto chases greener identity in Australia and China
Mining giant's projects seek to cut emissions in carbon-heavy industries
A ship at a Rio Tinto aluminum refinery in northern Australia: The mining titan is working to cut carbon emissions in its extraction and processing operations. © Reuters
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