Trump to impose 50% tariff on copper imports starting Aug 1, citing national security risks and dependence on foreign sources. North American countries on alert.

The president was following through on an earlier statement that he would target a key metal used for semiconductors, lithium ion batteries and more.

The United States will introduce 50% tariffs on all goods imported from Brazil starting on August 1, President Donald Trump announced on July 10 on his Truth Social platform. The new measures also include a 50% duty on all copper imports to the US.