Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Teck Cominco to Appeal U.S. Pollution Ruling (Reuters) Reuters - Canadian miner Teck\Cominco Ltd. will appeal a U.S. judge's refusal to dismiss a\case over cross-border pollution of a lake on the Columbia\River, a spokesman said on Tuesday.

Sci/Tech