Glencore’s decision to mothball its Mutanda mine in August 2019 in the Congo citing cobalt and copper operation is uneconomic due to falling commodities prices and an increase in a government royalty tax during the years of Kabila influence. Mutanda — the world’s largest cobalt mine — was pegged to transition to care and maintenance (temporary closure) by year-end 2019, the world’s largest and responsible for 20% global output. Glencore company are an Anglo-Swiss miner and commodities trader. Glencore said it planned to reach net-zero carbon emissions by 2050 aiming at a 40% reduction in carbon footprint by 2035 compared to its 2019 levels, making them on track with the Paris agreement on climate change.