These organizations are not necessarily and ally of YCA. 

Earth Charter Indiana

Earth Day Indiana

Hoosier Environmental Council

Improving Kid's Environment

The Nature Conservancy in Indiana

Sierra Club Indiana

Cope Environmental

Citizens Action Coalition

Indiana Recycling Coalition

Indiana Parks Alliance

Heartlands Group Sierra Club

Carmel Green Initiative

Indiana Forest Alliance

Students for a New Green World IU

NAACP Environmental Justice

Hoosier Interfaith Power and Light

350 Indiana-Indianapolis

Elders Climate Action

Fridays for future

US Climate Strike