In 1924, coal mining in America was at its peak, employing over 860,000 miners. Today, employment numbers are slightly over ...

For this project, she used so-called waste coal, which is a by-product of mining that is usually discarded into impoundments because its energy value is too low; these impoundments can pose ...

Hundreds of labour-intensive mines are expected to close in the coming decades as they reach the end of their lifespans and countries replace coal with cleaner low-carbon energy sources.