The leak of 21,000 tonnes of diesel into rivers and subsoil from a rusty-looking storage tank at mining firm Nornickel's power plant in Siberia angered President Vladimir Putin.
He Jinbi believes as top consumer China builds metals-intensive renewable energy and electric vehicle infrastructure, copper and other base metals will see serious supply deficits in future.
Many parts of the country are sitting on top of the materials that we need to produce battery technologies, says Secretary of Energy Jennifer Granholm.
They want Rio disclose short, medium and long-term targets for direct and indirect greenhouse gas emissions and chalk out its performance against those targets.