Why Michigan is trying to shut down Canada’s Enbridge Line 5 pipeline

But two years later, Governor Gretchen Whitmer, Mr Snyder’s Democratic successor and a long-time opponent of Line 5, ordered the company to cease operations in the Straits, effectively shutting Line 5 down. She called it an “unreasonable risk” to the Great Lakes, one of the largest sources of fresh water in the world and an economic engine for the region.