Three free workshops are scheduled for homeowners who want to learn how to solarize their homes. The first is at the Windsor Terrace Y, 1224 Prospect Avenue. On June 17 there's a second session at the Park Slope public library from 6:30 p.m. to 8 p.m. On June 26 there's a third session at the Flatbush Y.

Solarize Brooklyn is an all-volunteer group whose goal is to double the number of solar installations in the Kensington, Windsor Terrace, Park Slope and Flatbush area.