GREENSBURG, Kan. (AP) — A dozen years after a tornado nearly wiped out Greensburg, city leaders acknowledge that the decision to rebuild as "the greenest community in America" has been a mixed success.

The E-5 tornado on May 4, 2007, killed 11 people and destroyed most of the town. City, state and federal officials quickly decided to rebuild, and to emphasize environmentally friendly policies and structures. The effort drew international attention, including a Discovery Channel television series created by actor and environmental activist Leonardo DiCaprio, the Kansas News Service reported.

Gr...