Research shows that the Dry Andes region of Chile, Argentina and Bolivia is more sensitive than previously thought to environmental change and human activities such as mining.

World’s 50 biggest miners had a combined market capitalization of just under $1.4 trillion, with losses at the very top offsetting a banner quarter for gold and copper stocks.

US-based researchers updated an ammonia production process to make it greener and economically feasible.

Particle thermal energy storage doesn’t rely on rare earth metals or materials that have complex and unsustainable supply chains.