Interested in greywater systems, but looking for a general overview? Check out Greywater with Gusto, a tour being given this Sunday by Daily Acts:
Tour: Greywater with Gusto
Sunday, August 29th, 10am-2pm, Free for Cotati Residents $25 non-residents
Please register by visiting www.dailyacts.org or calling 707.789.9664
In this tour, we’ll visit the new, single-fixture Greywater System of Neil [...]

Common Circle provides eco-tourism that combines bicycling, visits to sustainable communities and farms, participation in service projects at the destinations, and even permaculture training.

Upcoming trips include bicycle tours in Oregon and Hawaii. From their web site:
By participating in a Common Circle Experience you can:

Be a part of an incredible traveling community of [...]

If you live anywhere in Sonoma County, you’ve probably seen the flyer for Daily Acts sustainability tours. These great local tours provide a way to see permaculture principles in action. We were delighted to see so many great things happening in our town during the Water Savvy Stars of Sebastopol tour.
The founding permie [...]