How can you tell if it is truly a "green paint" from start to finish?

— Ellen Wallingford, Rockport, ME

Answered by Victoria Schomer on September 17, 2009

Are there nontoxic stains that would be safe for wood planters in a veggie garden?

— Candy Guerrero, Harrison, NJ

Answered by Debbie Sek on July 23, 2009

How can I limit harmful offgassing from a recent coat of "non-green" paint?

— Rebecca Ronn, Brooklyn, NY

Answered by Nick Cope on December 17, 2008

I'm highly allergic to chemicals. Are there hidden toxins in low- or zero-VOC paints?

— Diena Chen, Los Angeles, CA

Answered by Nick Cope on December 17, 2008

What's more sustainable: a longer-lasting floor finish, or one with lower VOC content?

— Tom Leland, Beachwood, OH

Answered by J Neufeld on December 4, 2008

What green options are there for wall coverings other than paint?

— Anne Osher, Houston, TX

Answered by Marian Keeler on January 7, 2008