"Nearly a month after the onset of a navigational dredging project in the Saginaw River that some worry will send dioxin-contaminated sediments downstream toward the intakes for Bay City’s water supply, EPA officials responded to citizen concerns by announcing it would not test the water for the toxin."

"The largest, deepest and coldest Great Lake holds another distinction -- the highest levels of the contaminant toxaphene in the region and possibly anywhere in the world."

"Even today the Great Lakes landscape is bouncing back from the glaciers that retreated 10,000 years ago. A key question researchers recently sought to answer is whether that has anything to do with fluctuating lake levels."

A historic ferry that carries cars and passengers across Lake Michigan is still dumping ash from its coal-fired engines into the Lake -- legally.

"The U.S. Environmental Protection Agency on Tuesday cited the BP Whiting Refinery for violating federal air standards by releasing a cancer-causing toxin in waste from 2003 to 2008, which at times reached 16 times the acceptable limit, EPA officials said."

Development of wind power in Minnesota is being frustrated by a clogged up capital market.

Wisconsin's landmark out-of-basin diversion of the Great Lakes is getting both praised and blasted by water watchers.