After a $16bn spending spree, Chinese owned copper mines overseas now produce some 1.2 million tonnes annually – that’s not nearly enough.

A report by IDTechEx states that major automotive markets are planning for the significant deployment of fuel cell vehicles.

In the three months ended Sept. 30, total preliminary gold production rose to 1.09 million ounces, from 1.04 million ounces in the previous quarter

Microbial fuel cells utilize natural bacteria to extract electrons from organic matter in wastewater to generate electrical currents.

An updated chemical process could cheaply bring astronauts back from Mars and help mitigate climate change.