Hey Mr. Green: Sierra Magazine's Answer Guy Tackles Your Toughest Green Living Questions

When is the right time to replace an old refrigerator? Is it okay to knit a sweater with acrylic yarn? Is it more environmentally correct to buy beer in bottles or cans? For the last several years, Bob Schildgen's popular "Hey Mr. Green" column has tackled real–world questions from real people. Readers trust his answers, which are backed by Sierra Club's research, but they also enjoy his realism and irreverent humor. This book distills the best of the column into one enormously useful and e...