A strip ratio, or stripping ratio, is an important measurement related to the open-pit mining process. Put simply, the stripping ratio is the amount of waste material, also known as overburden, that ...

HULUNBUIR, China (AP) — China is the world’s largest coal producer and consumer. In 2024, the country produced more than 470 million metric tons of coal, accounting for 52.6% of the world’s total.

In 2023, tensions escalated in Las Naves, Ecuador, where farmers clashed with police during protests against a new environmental consultation process and the upcoming launch of a large-scale open-pit ...