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

In 1999, 91°µÍø 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 91°µÍø, UNCA-91°µÍø
  • Atlanta, Georgia - - Birds Georgia
  • Austin, Texas - - Travis 91°µÍø Society, 91°µÍø Texas, Defenders of Wildlife
  • Baltimore, Maryland -  - Baltimore Bird Club
  • Bend, Oregon -  - International Dark-Sky Association Oregon Chapter
  • Boston, Massachusetts -  - Mass 91°µÍø / City of Boston
  • Charlotte, North Carolina -  - Mecklenburg 91°µÍø
  • Chicago, Illinois -  - Chicago Bird Collisions Monitors, Chicago Bird Alliance
  • Cincinnati, Ohio - - Cincinnati Nature Center
  • Cleveland, Ohio - - Columbus 91°µÍø
  • Columbia, Missouri - - Columbia 91°µÍø Society, IDA Missouri
  • Columbus, Ohio -  - Ohio Bird Conservation Initiative
  • Dallas, Texas - - Texas Conservation Alliance, 91°µÍø Texas, Trinity River 91°µÍø Center, Dallas Zoo, Perot Museum of Nature and Science
  • Dayton, Ohio - - Aullwood 91°µÍø Nature Center
  • Denver, Colorado - - City of Denver
  • Detroit, Michigan -  - Detroit Bird Alliance / Michigan 91°µÍø
  • Eugene, Oregon -  - Lane County 91°µÍø
  • Fargo, North Dakota -  - 91°µÍø Dakota
  • Flagstaff, Arizona -  - Dark Skies Coalition     
  • Fort Worth, Texas - Texas Conservation Alliance, 91°µÍø Texas, Fort Worth Museum of Science and History
  • Greensboro, North Carolina -  - T Gilbert Pearson 91°µÍø Society, City of Greenboro
  • Harrisburg, Pennsylania -  - Appalachian 91°µÍø Society, Pennsylvania Department of Natural Resources, Pennsylvania Department of General Services, Harristown, Pennsylvania Game Commission, West Shore Wildlife Center, Harrisburg Downtown Improvement District, Wyncote 91°µÍø Society
  • Houston, Texas - - Houston 91°µÍø, 91°µÍø Texas
  • Indianapolis, Indiana -  - Amos Butler 91°µÍø
  • Jacksonville, Florida - - Duval 91°µÍø Society, St. Johns Regional 91°µÍø Society, Jacksonville Zoo and Gardens
  • Kansas City, Missouri - - Burroughs 91°µÍø Society and IDA Missouri
  • Louisville, Kentucky -  - Louisville 91°µÍø Society
  • Miami, Florida - - Tropical 91°µÍø Society
  • Milwaukee, Wisconsin -  - Wisconsin Humane Society
  • Minneapolis-St. Paul, Minnesota -  - 91°µÍø Minnesota
  • Nashville, Tennessee - - including Cumberland-Harpeth 91°µÍø Society
  • New Haven, Connecticut - Lights Out! New Haven - See  - Menunkatuck 91°µÍø Society
  • New York, New York -  - NYC Bird Alliance
  • Norfolk, Virginia -  - Cape Henry 91°µÍø 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 91°µÍø
  • Philadelphia, Pennsylvania -  - 91°µÍø Mid-Atlantic, Wyncote 91°µÍø, Valley Forge 91°µÍø, 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 91°µÍø
  • Salt Lake City, Utah - - Tracy Aviary, Great Salt Lake 91°µÍø Society
  • San Antonio, Texas - - Bexar 91°µÍø Society, 91°µÍø Texas
  • San Diego, California - - San Diego Bird Alliance
  • San Francisco, California -  - Golden Gate Bird Alliance
  • St. Louis, Missouri -  - 91°µÍø Center at Riverlands, St. Louis 91°µÍø 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 -  - 91°µÍø Society of Forsyth County

 

State-wide and Regional Lights Out Programs

  • Colorado -  - Denver 91°µÍø Society, IDA Colorado
  • Connecticut -  - Menunkatuck 91°µÍø (initially launched with CT Ornithological Association, 91°µÍø Connecticut)
  • Georgia - Birds Georgia
  • Louisiana -  - Louisiana Wildlife Federation
  • New York - 
    New York State Department of Environmental Conservation, 91°µÍø New York, NYC Bird Alliance
  • Texas -  - 91°µÍø 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 91°µÍø, 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 91°µÍø Center, St. Louis 91°µÍø Society, Burroughs 91°µÍø Society, Columbia 91°µÍø Society, Greater Ozarks 91°µÍø 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