We share what you had to say about renovations to Wrigley Field, invasive species in the Great Lakes, and an artist's crusade to paint and preserve native prairie plants in tonight's viewer feedback.

The EPA has awarded more than $8 million in grants to combat invasive species in the Great Lakes. We talk with the Shedd Aquarium's Phil Willink about the $100 million a year invasive species problem.

This summer a toxic algae bloom in Lake Erie led to 500,000 people being cut off from their drinking water in Toledo. Elizabeth Brackett details the latest efforts to protect the Great Lakes drinking water.

It’s the earth’s largest freshwater resource. But what will happen in the next 100 years to the Great Lakes and the Great Water Basin? We talk with Phil Enquist, an Urban Designer, about sustainability, strategies, and about urban design aimed at eliminating waste and to ensure fresh water for future generations. View a slideshow.

A major federal report was released Monday giving options for dealing with Asian carp, ranging from maintaining status quo to installing a permanent barrier to separate the Great Lakes from the Mississippi River Basin. Elizabeth Brackett has the story. Read the full report.

Sen. Dick Durbin says the U.S. House of Representatives' bill to cut funding for the Great Lakes Restoration Initiative by 80 percent would severely impact programs created to address ecological problems facing the Great Lakes. Programs to keep Asian carp out of the lakes would be slashed, among others. Elizabeth Brackett has the details. Read a fact sheet.

We read what some of you had to say about low water levels in the Great Lakes in tonight's Viewer Mail.

A tiny, fingernail-sized organism that some are calling the scourge of the Great Lakes is fundamentally altering marine life. Ash-har Quraishi reports on a devastating invasive species that is causing ripples all the way up the food chain.

A new report proposes a multi-billion dollar engineering change to Chicago's waterways to cut off an Asian Carp invasion. Ash-har Quraishi has the details.

A tiny, fingernail-sized organism that some are calling the scourge of the Great Lakes is fundamentally altering marine life. Ash-har Quraishi reports on a devastating invasive species that is causing ripples all the way up the food chain.

A tiny, fingernail-sized organism that some are calling the scourge of the Great Lakes is fundamentally altering marine life. Ash-har Quraishi reports on a devastating invasive species that is causing ripples all the way up the food chain.

A new report finds that warming temperatures are having an impact on five national parks on the Great Lakes. Elizabeth Brackett looks at what that could mean.