How can I find out how much energy my refrigerator uses?

— Dawn Nesiba Tacoma, WA

Answered by David Bergman on June 28, 2011

What is the most eco-friendly countertop and flooring for a house?

— Diego Cancel Holly Springs, NC

Answered by David Bergman on May 24, 2011

What's the difference between Energy Star and an Energy Star Home?

— Glen Frey Los Angeles, CA

Answered by David Bergman on April 5, 2011

What is the greenest dimming light bulb?

— Doug Lanning Phoenix, AZ

Answered by David Bergman on January 25, 2011

How energy efficient are "Xenon" halogen bulbs in light fixtures?

— Sherry Logan, UT

Answered by David Bergman on September 7, 2010

We are considering buying vinyl flooring with Scotchgard by 3M. Is it safe?

— Lorraine Somerdale, NJ

Answered by David Bergman on August 16, 2010