How the race for cobalt risks turning it from miracle metal to deadly chemical. If the prophets of technology are to be believed, the best hope for solving the climate crisis is ever more efficient batteries. But the race to produce enough materials for this energy-storage revolution is creating a host of other environmental problems, as cobalt-producing nations like the Democratic Republic of the Congo, Zambia and Cuba are discovering. Lung disease and heart failure have been linked to high levels of this element, while the mines that produce it are blamed for devastated landscapes, water pollution, contaminated crops and a loss of soil fertility. Scientists are also investigating a possible link to cancer.
Guardian 18th Dec 2019 read more »