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The  was the first to raise awareness of the problem lights pose for birds in an urban center, starting in 1993.

In 1999, ̽»¨¾«Ñ¡ and partners established the first Lights Out program in Chicago. Since then, groups in many other cities have organized programs to make a difference for birds. See the list below or explore the map of the Lights Out network. 

• Akron/Canton, Ohio - - Ohio Bird Conservation Initiative
• Ann Arbor, Michigan -  - Washtenaw Chapter, Ann Arbor City Parks and Recreation
• Asheville, North Carolina -  - Blue Ridge ̽»¨¾«Ñ¡, UNCA-̽»¨¾«Ñ¡
• Atlanta, Georgia - - Birds Georgia
• Austin, Texas - - Travis ̽»¨¾«Ñ¡ Society, Ì½»¨¾«Ñ¡ Texas, Defenders of Wildlife
• Baltimore, Maryland -  - Baltimore Bird Club
• Bend, Oregon -  - International Dark-Sky Association Oregon Chapter
• Boston, Massachusetts -  - Mass ̽»¨¾«Ñ¡ / City of Boston
• Charlotte, North Carolina -  - Mecklenburg ̽»¨¾«Ñ¡
• Chicago, Illinois -  - Chicago Bird Collisions Monitors, Chicago Bird Alliance
• Cincinnati, Ohio - - Cincinnati Nature Center
• Cleveland, Ohio - - Columbus ̽»¨¾«Ñ¡
• Columbia, Missouri - - Columbia ̽»¨¾«Ñ¡ Society, IDA Missouri
• Columbus, Ohio -  - Ohio Bird Conservation Initiative
• Dallas, Texas - - Texas Conservation Alliance, ̽»¨¾«Ñ¡ Texas, Trinity River ̽»¨¾«Ñ¡ Center, Dallas Zoo, Perot Museum of Nature and Science
• Dayton, Ohio - - Aullwood ̽»¨¾«Ñ¡ Nature Center
• Denver, Colorado - - City of Denver
• Detroit, Michigan -  - Detroit Bird Alliance / Michigan ̽»¨¾«Ñ¡
• Eugene, Oregon -  - Lane County ̽»¨¾«Ñ¡
• Fargo, North Dakota -  - ̽»¨¾«Ñ¡ Dakota
• Flagstaff, Arizona -  - Dark Skies Coalition     
• Fort Worth, Texas - Texas Conservation Alliance, ̽»¨¾«Ñ¡ Texas, Fort Worth Museum of Science and History
• Greensboro, North Carolina -  - T Gilbert Pearson ̽»¨¾«Ñ¡ Society, City of Greenboro
• Harrisburg, Pennsylania -  - Appalachian ̽»¨¾«Ñ¡ Society, Pennsylvania Department of Natural Resources, Pennsylvania Department of General Services, Harristown, Pennsylvania Game Commission, West Shore Wildlife Center, Harrisburg Downtown Improvement District, Wyncote ̽»¨¾«Ñ¡ Society
• Houston, Texas - - Houston ̽»¨¾«Ñ¡, ̽»¨¾«Ñ¡ Texas
• Indianapolis, Indiana -  - Amos Butler ̽»¨¾«Ñ¡
• Jacksonville, Florida - - Duval ̽»¨¾«Ñ¡ Society, St. Johns Regional ̽»¨¾«Ñ¡ Society, Jacksonville Zoo and Gardens
• Kansas City, Missouri - - Burroughs ̽»¨¾«Ñ¡ Society and IDA Missouri
• Louisville, Kentucky -  - Louisville ̽»¨¾«Ñ¡ Society
• Miami, Florida - - Tropical ̽»¨¾«Ñ¡ Society
• Milwaukee, Wisconsin -  - Wisconsin Humane Society
• Minneapolis-St. Paul, Minnesota -  - ̽»¨¾«Ñ¡ Minnesota
• Nashville, Tennessee - - including Cumberland-Harpeth ̽»¨¾«Ñ¡ Society
• New Haven, Connecticut - Lights Out! New Haven - See  - Menunkatuck ̽»¨¾«Ñ¡ Society
• New York, New York -  - NYC Bird Alliance
• Norfolk, Virginia -  - Cape Henry ̽»¨¾«Ñ¡ Society, Virginia Zoo, Elizabeth River Project, Friends of Indian River, Tidewater Rehabilitation & Environmental Education, Virginia Society of Ornithology, William and Mary Institute for Integrative Conservation, Downtown Norfolk, Coastal Virginia Wildlife Observatory, Williamsburg Bird Club 
• Oklahoma City, Oklahoma -  - Oklahoma City ̽»¨¾«Ñ¡
• Philadelphia, Pennsylvania -  - ̽»¨¾«Ñ¡ Mid-Atlantic, Wyncote ̽»¨¾«Ñ¡, Valley Forge ̽»¨¾«Ñ¡, Academy of Natural Sciences,  Delaware Valley Ornithological Club
• Pittsburgh, Pennsylvania - - Carnegie Museum of Natural History, BOMA Pittsburgh, BNY Mellon, Pittsburgh Downtown Partnership, National Aviary
• Portland, Oregon -  - Oregon Bird Alliance
• Raleigh, North Carolina -  - Wake ̽»¨¾«Ñ¡
• Salt Lake City, Utah - - Tracy Aviary, Great Salt Lake ̽»¨¾«Ñ¡ Society
• San Antonio, Texas - - Bexar ̽»¨¾«Ñ¡ Society, ̽»¨¾«Ñ¡ Texas
• San Diego, California - - San Diego Bird Alliance
• San Francisco, California -  - Golden Gate Bird Alliance
• St. Louis, Missouri -  - ̽»¨¾«Ñ¡ Center at Riverlands, St. Louis ̽»¨¾«Ñ¡ Society, IDA Missouri
• Toledo, Ohio - - Black Swamp Bird Observatory
• Toronto, Ontario, Canada -  - FLAP / City of Toronto
• Washington DC -  - City Wildlife
• Wilmington, Delaware -  - Delmarva Ornithological Society
• Winston-Salem, North Carolina -  - ̽»¨¾«Ñ¡ Society of Forsyth County

State-wide and Regional Lights Out Programs

• Colorado -  - Denver ̽»¨¾«Ñ¡ Society, IDA Colorado
• Connecticut -  - Menunkatuck ̽»¨¾«Ñ¡ (initially launched with CT Ornithological Association, Ì½»¨¾«Ñ¡ Connecticut)
• Georgia -  - Birds Georgia
• Louisiana -  - Louisiana Wildlife Federation
• New York -  - 
  New York State Department of Environmental Conservation, ̽»¨¾«Ñ¡ New York, NYC Bird Alliance
• Texas -  - ̽»¨¾«Ñ¡ Texas, Texan by Nature, Cornell Lab of Ornithology, Texas Conservation Alliance, Perot Museum of Nature and Science, Biodiversity Research and Teaching Collections, Texas A&M University, Houston ̽»¨¾«Ñ¡, Texas Parks and Wildlife Department Nature Trackers, Colorado State University, University of Massachusetts Amherst
• • Arkansas - Missouri Chapter - International Dark-Sky Association, Arkansas Natural Sky Association
  • Iowa - Missouri Chapter - International Dark-Sky Association, Green Iowa AmeriCorps
  • Kansas - Missouri Chapter - International Dark-Sky Association, Johnson County Community College
  • Missouri - Riverlands ̽»¨¾«Ñ¡ Center, St. Louis ̽»¨¾«Ñ¡ Society, Burroughs ̽»¨¾«Ñ¡ Society, Columbia ̽»¨¾«Ñ¡ Society, Greater Ozarks ̽»¨¾«Ñ¡ Society, Dark Sky MO, Gateway Arch National Park Missouri, Missouri Department of Conservation, Missouri River Bird Observatory, Missouri Sierra Club, Saint Louis Zoo, St. Charles County Parks, St. Louis Arts Chamber of Commerce, Wildlife Rescue Center