Invasive carp pose a serious threat to our Great Lakes. The U.S. Army Corps of Engineers is ready to start building a critical project to prevent them from reaching Lake Michigan. But construction can’t begin until Illinois signs an agreement with the Corps.

Tell Illinois: Sign Before June 30

Protecting Water, Sustaining Life

The Alliance for the Great Lakes is a nonpartisan nonprofit working across the region to protect our most precious resource: the fresh, clean, and natural waters of the Great Lakes.

Advocacy & Leadership

We partner with communities and decision makers to develop actionable solutions that protect the lakes and our communities.

Research & Analysis

Our research and analysis inform community leaders and guide policy to protect the Great Lakes.

Education & Action

We support people and communities in protecting the lakes by providing action-oriented information and programs.