1. Innovative Building Materials Designed by Engineers

2. Aerogels • One ounce has the surface are of 10 football fields • It is the lightest existing solid material • It is an excellent thermal insulator because it is mostly trapped air • Essentially made of sand http://eetdnews.lbl.gov/cbs_nl/nl8/Aerogel.html http://eetd.lbl.gov/ECS/Aerogels/aerogels.htm

3. Smart Windows • http://www.sage-ec.com/

4. Smart Windows • Windows cut the glare when the sun is too intense • Can reduce 98% of solar radiation from entering home through windows

5. Radiant Barriers • Can be applied anywhere in attic space of house • Keeps heat out in summer, warmth in during winter • Usually made of aluminum http://www.ornl.gov/sci/roofs+walls/radiant/index.html

6. Solar Panel Roofing Tiles • Make and sell electricity • Government rebates http://www.premierpower.com/solar_energy_residential/roof_solar_tile.php