"Hey Mr. Green: Is there a practical electric car a person of moderate means can buy and operate?" Click here to listen to the answer! You can also subscribe to Mr. Green's podcast.

"Hey Mr. Green: What is the correct temperature for my refrigerator and freezer?" Click here to listen to the answer! You can also subscribe to Mr. Green's podcast.

"Hey Mr. Green: I'm trying to convince my husband that using the dishwasher is more efficient than washing each dish separately. Is that true?" Click here to listen to the answer! You can also subscribe to Mr. Green's podcast.

"Hey Mr. Green: If I scavenge firewood instead of buying it, is it better to heat my house by burning wood in my fireplace, or by using electricity from traditional sources?" Click here to listen to the answer! You can...

"Hey Mr. Green:Why do today's subcompact cars have such poor fuel economy compared with those made 20 years ago? Some people claim that safety requirements have added weight and lowered gas mileage." Click here to listen to the answer! You...

"Hey Mr. Green: How can I convince others that household water conservation is important?" Click here to listen to the answer! You can also subscribe to Mr. Green's podcast.

"Hey Mr. Green: Is it still important to keep up with other energy practices around the home?" Click here to listen to the answer! You can also subscribe to Mr. Green's podcast.

"Hey Mr. Green: How can I persuade the company I work for to adopt a recycling program?" Click here to listen to the answer! You can also subscribe to Mr. Green's podcast.

"Hey Mr. Green: There's a farmer's market 12 miles from our house, and a supermarket just 1.5 miles away. Does the 24-mile round-trip drive to buy local produce make more environmental sense than a 3 mile drive for produce that's...

"Hey Mr. Green: Should I remove the zipper portion of plastic bags before tossing them in the recycling bin, and can black plastic bags be recycled with others?" Click here to listen to the answer! You can also subscribe to...