Don't hot water recirculating systems waste water?

— bob bianculli

Answered by Danny Kelly on January 14, 2010

What resources do you recommend for learning how to build a green home?

— Margaret Vanwormer, Great Mills, MD

Answered by Paul Gleicher on June 12, 2009

We want to design a greywater system for bathrooms we're renovating. Can you help?

— Brian McDonald, Providence, RI

Answered by Jesse Terzi on April 23, 2009

Is limestone tile a sustainable choice for a pool and patio surface?

— Lynne Latham, Los Angeles, CA

Answered by Cassandra Adams on November 20, 2007

How can I green my rented apartment?

— Alicia Lipinski, Burbank, CA

Answered by Maggie Wood on October 16, 2007