Trump’s tariffs put a spotlight on the uninhabited Heard and McDonald Islands, which comprise a remote volcanic refuge for penguins and seals and a UNESCO World Heritage site

President Trump’s tariffs don’t just cover big U.S. trading partners. They also target tiny islands and territories, some with more penguins than people. Among the places grappling with new U.S. import duties: Norfolk Island—a subtropical Australian territory of some 2,

UNESCO World Heritage says the Heard Island and McDonald Islands exist "in the complete absence" of human impact.