hey guys... another event posting.
http://www.worldchanging.com/local/chicago/archives/006230.html
most of this has passed... but ther are a handful remaining:

Residential Renewable Energy Options
DATE: 3/31/2007
TIME: 10:00 AM - 12:00 PM
PRESENTER: George Sullivan, Eco Smart Building
LEVEL: All levels welcome
Get ready for some out-of-the-box thinking about renewable energy systems, such as: using photovoltaics to heat hot water or using the slab floor in your basement to store heat to cool your house in summer and keep it warm in winter. Discussion will focus on using your buildings design to work with the environment and the laws of thermodynamics to enhance the engineering of the structure.

Green Tech U will also be co-sponsoring the “Sustainable Architecture Lunchtime Lecture Series” with the Chicago Architecture Foundation:

Environmental Policy: Reduction of Global Warming Through the Built Environment
DATE: 4/17/07

The Green Exchange: Building a Business Community for the Advancement of the Green Marketplace
DATE: 4/18/07

Strategies and Design: Achieving 50% Energy Consumption in Commercial Buildings
DATE: 4/19/07

Sustainability and the Kohl Children's Museum
DATE: 4/20/07