What are the sustainable options for re-roofing our 30-year-old home?

— Jennifer Marks, Tiburon, CA

Answered by Cynthia Phakos on November 26, 2008

How can I remodel my oceanside property for maximum energy efficiency?

— Tricia Mittens, Nassau, Bahamas

Answered by Cynthia Phakos on June 19, 2007