According to recent news stories, the Mississippi River is at record low levels, and this has the potential to stop the movement of shipping on the river. This will have a major impact on the transportation of bulk goods, which are shipped up and down the river. The reason the river is so low? Lack of rainfall, obviously, but this lack of rain fall is the product of changing weather patterns. And changing weather patters are the result of global warming. So we can add the cost of shipping to the ledger of global warming.
Here’s the Time Magazine Story: Mississippi River Near Record Low.