Clean energy has been rolled out rapidly over the past two decades, which has seen demand for critical minerals explode. These materials are indispensable to the transition and its supply is currently dominated by China and a few resource-rich countries. There is now a real risk that demand cannot be satisfied from known reserves. What does the prospect of a low-carbon global economy mean for mineral mining? And are there potential financial risks? Hugh Miller (OECD) has selected the most recent literature for this digest.