Heather Zichal takes a question from the online audience

October 25, 2010 | 1:23 | Public Domain

Heather Zichal takes a question from the online audience about green energy and clean technology in the government.

2011 White House Easter Egg Roll: Kelly Ripa and Mark Consuelos Read "Robot Zot!" April 25, 2011	2011 White House Easter Egg Roll: Carla Hall Reads "The Giving Tree" April 25, 2011	Autism Awareness Month Conference April 25, 2011	President Obama Reads "Where the Wild Things Are" April 25, 2011
Opening the 2011 White House Easter Egg Roll April 25, 2011	Weekly Address: Stopping Oil Market Fraud, Beginning a Clean Energy Future April 23, 2011	West Wing Week: "My Old Number, Twenty Three" April 21, 2011	Open for Questions: Earth Day from the South Lawn April 21, 2011