Metals demand in the clean energy transition may call for substitution between materials, while lithium supplies may need to increase seven-fold by 2030, according to McKinsey & Company. A joint article from the North American management consulting firm outlined the sheer materials intensity of low-carbon technologies like solar and wind power, compared to the emissions intensity of today’s high-carbon technologies like coal-fired and gas-fired power. “For example, generating one terawatt-hour of electricity from solar and wind could consume, respectively, 300 per cent and 200 per cent more metals than generating the ... (full story)