There were all of those jokes about orange shag back in the 1960's - actually those were the years when orange and shaggy were in, the jokes started about ten years later - and quite a number of unkind references to avocado green floor coverings after that. Stay tuned, the beige Berber jibes are scheduled to start soon. Carpet , however, is no laughing matter and up to now it hasn't been deserving of much respect from the ecologically conscious. Traditional carpeting is not only ungreen,...