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Chicago Park District , featuring classroom spaces ��һ�Թ�open to school and community groups and an informational exhibit depicting the history of the southeast side natural areas.

is an “organization working with the Chicago Park District to realize the potential of Big Marsh to be a positive influence on public health and economic development in the Calumet region.”

is an organization dedicated to advance the cause of social and environmental justice by enhancing the quality of life of residents living in communities affected by pollution in the Calumet area of the far South Side of Chicago.

The  is an environmental nonprofit organization dedicated to serving the southeast side and south suburbs of Chicago by promoting environmental education, pollution prevention, and sustainable development.

(MSAE) is a membership organization dedicated to exploring the role of sound in natural habitats and human societies, while promoting public dialogue concerning the identification, preservation, and restoration of natural and cultural sound environments.