geologists in iceland are warning that a series of tremors near the capital reykjavik could signal that a new volcanic eruption is on the way. thousands of mini quakes have been recorded in recent days. experts say the cause is magma moving beneath the earth s surface. the cost of global shipping has risen dramatically this year as supply chains around the world battle with the impact of the covid pandemic. it s led to frustrating delays for businesses struggling to meet consumer demand, but also to tens of billions of dollars of profits for shipping companies. our global trade correspondent chris morris reports. on a misty morning in leeds just before christmas, at long last, a container arrives, all the way from china. cheering this family run business develops and designs fun gifts, and this is the busiest