Gem Diamonds finds 254-carat diamond at Letseng
The company has found more than 60 white gem quality diamonds over 100 carats each, with 16 of them recovered last year.
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Mongolia threatens to cancel Oyu Tolgoi investment agreement
The dispute relates to taxes paid by Oyu Tolgoi LLC, Rio Tinto’s unit, between 2013 and 2015.
Copper price could spike to $13,000 on low stocks – BofA
Prompt delivery copper prices spike as inventories in LME warehouses fall 20% from mid-April.
Vale raises number of independent board members to eight
The group includes the former chief executive officer of state-controlled oil company Petrobras, Roberto Castello Branco.
World’s biggest coal port loan price linked to social, emissions goals
Port of Newcastle will pay less if certain targets are met, including reducing its direct and indirect greenhouse gas emissions and screening all customers for modern slavery risks.
Aluminum price rises on supply worries as China pledge’s emission curbs
Coal-fired power is used by more than 80% of China's aluminum smelters.
Idle oil wells may be the source of massive methane emissions — study
Researchers at the University of Cincinnati studied, for the first time ever, methane emissions from inactive oil wells in the largest oil-producing region on Earth.
Rio Tinto’s ISAL smelter certified for responsible aluminium production
The Aluminium Stewardship Initiative granted Rio Tinto a provisional responsible aluminium production certification for ISAL.
Centamin to start building solar plant at Sukari
The $37 million project also includes 7.5 MW battery–energy storage system and is expected to be commissioned in the first half of 2022.