UPDATED: Friday, April 13, 2012 - 8:53am
Over 20,000 business leaders and government officials from around the world are attending a four-day conference in Dallas on wind energy.
Mayor Tom Leppart signed a 131 foot wind turbine in front of the Dallas Convention Center when the event kicked off. He then spoke about the importance of wind power to the Dallas economy.
Slated to speak Tuesday is former President George W. Bush.
Texas is the nation's largest producer of wind power.