How can I buy furniture that is safe from chemicals?

— mildred Port Royal, VA

Answered by Molly McCabe, AKBD, CGP, CAPS on February 4, 2013

What can I encase my memory foam mattress in to create a barrier to its toxins?

— Georgia Allison Woodland, CA

Answered by Scott Grieves, CPM, CEA on February 4, 2013

Suggestions for retrofitting a 1908 house with insulation?

— Juniper Oakland, CA

Answered by John Rising on February 4, 2013