MIT spinoff 247Solar developed a battery that uses silica sand and electric resistance coils to generate ultra-high temperature heat from clean energy sources.
Global gold production fell by 3.8 million ounces in 2020 as covid-related disruptions in South America more than offset gains in Russia and West Africa.
Wood Mackenzie plots the forecast progress of gold miners out to 2030 against the reduction in emissions required to align with the 2°C and 1.5°C targets.