The BIG! Tour promises big ideas for building green, in small packages, literally. Many of the projects on this year's Build It Green! Tour are ADUs, a.k.a. "accessory dwelling units." Take a preview tour in the slide show below. For actual tour tickets, click here.

Photos courtesy of BIG! Tour and building owners.

Tour date: Saturday, September 22, 2012
Tour time: 11 a.m. to 5 p.m.
$15 admission, on sale starting mid-August.
$10 honored citizens/students/alternative transportation.
Info Fair is FREE and open to everyone.
Children 13 years old and under are FREE.
Info Fair is a prelude to the Tour with green vendors, demonstrations, food, drink and music.
Info Fair hours: 10 a.m. to 2 p.m. 
Info Fair location: Green Depot, 819 SE Taylor, Portland, OR, 503-222-3881
If you have questions about the tour, contact Valerie Garrett, tour coordinator 503-823-5431 for more information.