Great Lakes (IL IN MI MN OH WI)

"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.

"The Michigan Legislature may soon create a fund to loan schools money to build windmills, solar panels or other sources of alternative energy."

Canadian scientists are taking a closer look at dioxin-like contaminants in the Great Lakes called polychlorinated naphthalenes. They accumulate in fish and are toxic to humans.

"Fighting off shareholders’ environmental resolution, Dow cites inaccurate information in its SEC filing"