The New Milford Trust for Historic Preservation will present a free spring lecture, "The Greening of the Older Home," May 14 at 2 p.m.

The lecture, to be held at St. John's Episcopal Church on Whittlesey Avenue, will feature guest speaker Christopher Wigren, deputy director of the Connecticut Trust for Historic Preservation in Hamden.

Mr. Wigren will address the need to enhance the energy efficiency of old and historic buildings.

For more information, call 860-354-9437 or visit www.newmilfordtrustforhistoricpreservation.org.