COPENHAGEN (Reuters) - What to do with the mountain of garbage a major metropolitan area produces is an age-old question. Copenhagen has come up with a brand-new answer: ski down the mountain.

"A person coming down at trail ... When you know the snow-plow, or double stem, and the snow-plow turn, and know them well, you can go on any trail in New England." "Skiing," said Niles, "is ...