Fish that have the potential to devastate the Great Lakes ecosystem may be just a few miles from Lake Michigan. Two carp species from Asia — the silver and the bighead — are invasive fish with huge appetites. If they enter the Great Lakes, they could overwhelm the native fish....

Fish that have the potential to devastate the Great Lakes ecosystem may be just a few miles from Lake Michigan. Two carp species from Asia — the silver and the bighead — are invasive fish with huge appetites. If they enter the Great Lakes, they could overwhelm the native fish....

Pitcher’s thistle, whose fuzzy leaves and creamy pink puffs once thrived in the sand dunes along several of the Great Lakes, was driven by development, drought and weevils into virtual extinction from the shores of Lake Michigan decades ago. But in the 1990s, seeds collected from different parts of the...

Pitcher’s thistle, whose fuzzy leaves and creamy pink puffs once thrived in the sand dunes along several of the Great Lakes, was driven by development, drought and weevils into virtual extinction from the shores of Lake Michigan decades ago. But in the 1990s, seeds collected from different parts of the...