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.

Fireworks on the National Mall from the White House July 4, 2014	The President Delivers Remarks at Independence Day Celebration July 4, 2014	The President Speaks at a Naturalization Ceremony July 4, 2014	Celebrating Independence Day July 4, 2014
VIDEO MENSAJE DE LA CASA BLANCA: Celebrando una nación única July 4, 2014	Press Briefing July 3, 2014	The President Visits 1776 to Talk About the Economy July 3, 2014	West Wing Week 07/04/14 or, “Cynicism is a Choice… Hope is a Better Choice” July 3, 2014