In Wisconsin

Climate Change: Shipping

Special | 3m 47s

The St. Lawrence Seaway is a major shipping system and a world trade route connecting the Midwest and the Atlantic. How will this major thoroughfare be affected by climate change? Water levels play a crucial role in shipping and the slightest change can have a large impact. Lake Michigan water levels are projected to drop 1-2 feet during the next century.

Aired: 05/05/11

Rating: TV-G

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