I need to find low-toxic carpet for my rental apartment. What are some reliable brands?

— Linda MacEwen, Santa Monica, CA

Answered by David Rodriguez on November 6, 2009

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

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

Are Paperstone or IceStone countertops good choices for indoor air quality?

— Sean Sullivan, Milltown, NJ

Answered by Shannon Demma on October 20, 2008