GREENSburg, KS

After being nearly destroyed by a tornado two years ago, the city of Greensburg, Kansas is back and better than ever. The city decided to incorporate green building into it's rebuilding efforts.

Look, they even found a good use for styrofoam!

Volunteers from all over have come to help in the rebuilding efforts. Spencer Bivarais, 16, (left) and Braunsan Bergeron, 17, from Tagwi High School in Avonmore, Ontario, two of 52 student and adult volunteers from the school, work on the ICF (Insulated Concrete Form) house of Doug and Keri Ulrich in Greensburg. The interlocking styrofoam and plastic forms, with rebar laid in between, will be filled with concrete to create a structure that has virtually no air exchange.

See more of the "greenovations" here!