What is the healthiest option when choosing a rainwater tank?

— Justine Schenectady, NY

Answered by Lee Hall on August 30, 2010

Can I use house plants to improve my home's indoor air quality?

— Tom Neff Fishers, IN

Answered by Richard Heller on August 3, 2010

Is there a way to test my carpet padding for PBDEs?

— Mary Hull Lake Oswego, OR

Answered by Kirsten Flynn on August 3, 2010