Looking homeward toward Earth: The power of perspective Dr. Walleed Abdalati, Chief Scientist, NASA Dr. Waleed Abdalati is the principal advisor to NASA Administrator Charles Bolden on agency science programs. Dr. Abdalati’s research has focused on the use of satellites and aircraft to understand how and why Earth's ice cover is changing, and what those changes mean for life on our planet. Sponsored by the College of Natural Resources University of Idaho (Javascript is required to view Mediasite content)