• Regional: North America: United States: Indiana: Science and Environment  (24)

• ACRES, Inc. - Protects 40 nature preserves in 11 Northeast Indiana counties.
• Central Indiana Land Trust Incorporated - A nonprofit corporation acting to protect natural spaces in the face of increasing urban sprawl.
• Clear Lake Township Land Conservancy - Includes major project and acquisition areas, and past newsletters.
• Sycamore Land Trust - Membership and donation information, properties protected, landowner conservation options, and events.
• Wawasee Area Conservancy Foundation, Inc. - Seeks to protect and preserve Indiana's Wawasee area watershed through education and acquisition of wetland areas. Provides history, goals, and accomplishments. Includes maps and photographs.

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