Indiana Environmental Organizations

ACRES Land Trust

Land trust serving northeastern Indiana

Amos Butler Audubon Society

Indianapolis-based chapter of the National Audubon Society

Central Indiana Land Trust

Preserving the Heartland

Central Indiana Wilderness Club

Affordable Adventure Trips Since 1982

Circular Indiana

Supporting source reduction, reuse, composting, and recycling activities in Indiana

Citizens Action Coalition

Hoosiers working for Hoosiers

Clear Lake Township Land Conservancy

Improving and Protecting Our Environment for the Next Generation

Cope Environmental Center

Promoting the sustainable use of the earth’s resources through education, demonstration, and research.

Eagle Creek Park Foundation

This is your place too...

Earth Charter Indiana

Inspiring and advancing sustainable, just and peaceful living in Indiana

Earth Day Indiana

Live Green and Prosper

Evansville Audubon Society

A chapter of the National Audubon Society

Friends of Broad Ripple Park

Dedicated to providing support for the park

Friends of Goose Pond

Supporting the goals of wildlife conservation and habitat restoration at Goose Pond Fish and Wildlife Area

Friends of Holliday Park

Committed to preserving Holliday Park.

Friends of Sugar Creek

Protecting, restoring, and promoting appreciation of Sugar Creek and its watershed

Friends of the Pumpkinvine Trail

Dedicated to converting the abandoned Pumpkinvine railroad corridor into a linear park and greenway

Friends of the St Joe River

Protecting, restoring and fostering stewardship of the St. Joseph River Watershed

Friends of the White River

Preserve, protect and enhance the White River

Greenways Foundation

Working to promote the growth, enhancement and use of Indiana greenways


People Helping People Protect the Places they Love

Hoosier Environmental Council

Finding Solutions to Indiana's Environmental Challenges

Hoosier Hikers Council

Building hiking trails in Indiana since 1995

Improving Kids' Environment

Working to reduce environmental threats to children's health

Indiana Audubon Society

The oldest conservation organization continuously operating in Indiana

Indiana Forest Alliance

To preserve and restore Indiana's native hardwood ecosystem for the enjoyment of all.

Indiana Karst Conservancy

Protecting caves through active conservation

Indiana Lakes Management Society

Promoting the understanding and comprehensive management of Indiana lakes and reservoirs

Indiana Land Protection Alliance

Our mission is to increase the pace and quality of land protection in Indiana by enhancing the capacity of Indiana’s land conservation community.

Indiana Native Plant Society

Promoting the appreciation, preservation, conservation, utilization and scientific study of the flora native to Indiana

Indiana Organic Gardeners Assocation

Rooted in a Healthy Earth

Indiana Parks Alliance

Protecting state parks & nature preserves

Indiana Phenology

A volunteer-run nonprofit that partners with communities, schools, and individuals to gather scientific data that helps build a more resilient world and protects Indiana's natural treasures.

Izaak Walton League of Indiana

Defenders of Soil, Air, Woods, Waters And Wildlife

Keep Indianapolis Beautiful

Engaging diverse communities to create vibrant public places

La Porte County Conservation Trust

Dedicated solely to maintaining, preserving, and protecting the natural resources and biodiversity of La Porte County, Indiana

Little River Wetlands Project

Restoring and protecting wetlands in the watershed of the Little River

Mud Creek Conservancy

Providing a proactive alternative to the unrelenting development pressures confronting the Mud Creek watershed

Nature Conservancy of Indiana

Protecting Nature. Preserving Life.®

NICHES Land Trust

Helping Ecosystems Survive

Oak Heritage Conservancy

Protecting Southeast Indiana's Natural Heritage

Ouabache Land Conservancy

Protecting and restoring land in west-central Indiana by providing habitat for native species, maintaining natural scenic beauty, and improving water and air quality while offering education and enhancing the quality of life in our communities for future generations. Based in Terre Haute and active in Clay, Parke, Putnam, Sullivan, Vermillion, and Vigo counties.

Oxbow, Inc.

Working to establish productive habitat at the confluence of the Great Miami and Ohio Rivers that provides breeding sites, shelter, food, and resting places for the thousands of species that thrive in the floodplain, as well as preventing development.

Red-tail Conservancy

A Land Trust for East Central Indiana

Robert Cooper Audubon Society

A chapter of the National Audubon Society, based in Muncie

Sassafras Audubon Society

Local chapter of the National Audubon Society, based in Bloomington

Save the Dunes Council

Preserving, protecting, and restoring the Indiana dunes

Shirley Heinze Environmental Fund

Working to preserve, protect and restore significant natural areas in northwest Indiana

Sierra Club - Hoosier Chapter

Explore, enjoy, and protect the planet

South Bend-Elkhart Audubon Society

A chapter of the National Audubon Society

Sycamore Audubon Society

A chapter of the National Audubon Society, based in the Lafayette area

Sycamore Land Trust

Preserving southern Indiana since 1990

Tippecanoe Audubon Society

A chapter of the National Audubon Society, based in north central Indiana

Valley Watch

Protecting Public Health and Environment of the lower Ohio River Valley

Wabash Valley Audubon Society

A chapter of the National Audubon Society based in Terre Haute

Wawasee Area Conservancy Foundation

Protecting, preserving, and enhancing the Wawasee Area Watershed

Wesselman Nature Society

Based in Evansville and responsible for the management and daily operations of Wesselman Woods Nature Preserve, a 200-acre old growth forest that is the largest of its kind within any city limits in the United States. It is also responsible for Howell Wetlands on the west side of the city.

White River Alliance

An alliance of diverse interests and organizations that work together to steward the River and its watershed.

White River Watchers

Protecting the White River ecosystem

Wildcat Guardians

Dedicated to improving the health and beauty of the Wildcat Creek.

Wolf Park

Dedicated to behavioral research, education and conservation

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