The US lithium giant controls about 13% of the global market this year, while Chinese producers have grown their share to 63%.

For each decade of life, Indigenous coal miners were more likely to have both black lung and lung function impairment than non-Indigenous coal miners.

The new theory centers around a thin, "transient" region of the mantle, where its shallow part melts and its deeper part remains solid.

Since the beginning of the modern era, emissions from coal-fired power plants, mining and waste incineration have increased the concentration of potentially toxic mercury in the atmosphere sevenfold.