(Reuters) -U.S. President Donald Trump is expected to sign an executive order on Thursday to boost the deep-sea mining industry, the latest attempt to tap international deposits of nickel, copper and other critical minerals used widely across the economy.

Donald Trump has signed a controversial executive order aimed at stepping up deep-sea mining within US and in international waters. Thursday's order is the latest issued by the US president to try to increase America's access to minerals used by the aerospace,

President Donald Trump on Thursday signed an order that accelerates exploration and mining of the deep seas despite widespread concerns.