This site uses cookies to store information on your computer.
Some cookies on this site are essential, and the site won't work as expected without them. These cookies are set when you submit a form, login or interact with the site by doing something that goes beyond clicking on simple links.
We also use some non-essential cookies to anonymously track visitors or enhance your experience of the site. If you're not happy with this, we won't set these cookies but some nice features of the site may be unavailable.
By using our site you accept the terms of our Privacy Policy.
When the St. Lawrence Seaway was opened 50 years ago, it promised to move the ocean 1,000 miles inland, boost commerce, and light cities. But some think it has been an environmental nightmare.
Advertisement 
