A Simple Step to Save Energy, Save Birds, Save Money and Protect Our Climate! Lights Out Boston: August 15 - October 31 Learn More About... How to Participate City of Boston Green Initiatives Mass Audubon Green Initiatives Bird-Friendly Homes Saving Energy at Home Handling a Dead or Injured Bird LEED Building Design Standards Lights Out FAQs Find out more Read the Connections article (PDF 225K). View WBZ-TV's video about the Lights Out program. Lights Out Boston Wins Awards Lights Out Boston is a partnership between the City of Boston, Mass Audubon and leading building owners and managers in Boston. Lights Out participating buildings will: Dim or extinguish internal lighting between 11pm and 5am Extinguish decorative architectural lighting between 11pm and 5am Turning out lights overnight will: Save birds, especially during spring (March 1 - June 1) and fall (August 15 - October 31) migration periods Save energy and reduce the heat-trapping gases that contribute to climate change Save money on electricity costs Visit our partner site, City of Boston Lights Out. Muncipal Employees: Interested in partnering with Mass Audubon to bring the Lights Out program to your city (Northeast region)? Please contact us.