Costco has been suffering from a cheese shortage. In fact, cheese imports to all US retailers have been impacted. This dairy 'crisis' has been caused by higher demand and a global shortage of shipping containers, as well as bottlenecks at several main West Coast sea ports, including Los Angeles, Long Beach, Oakland and Seattle, since December last year. In fact, there are containers with cheese stock sitting out at sea unable to get in to the US. Why? One factor is imports to America by sea grew by 20% in January compared to the same month in 2020, with the cost of getting goods into the US by water reaching $6.36 billion, more than double the $2.46 billion cost in January last year. But the rise in shipping demand is not the only reason for the lack of cheese on the shelves; click or scroll on to find out what else is to blame...