How to find energy-efficient computers and the best way to get a new couch.
Q: I'm buying a new laptop, and I was wondering if all computers are the same energy-wise, or if some brands are better for the environment?
Aviva Horrow, Philadelphia
Q: I'm in the market to buy a new couch (our current one is older than I am-it's 27!). Is it better to buy a "green" couch, one from a mainstream vendor or a used couch? If used is the way to go, do you have any suggestions for finding one that isn't disgusting?
Nora Burton, Seattle
Umbra Fisk dispenses advice on all things green for
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