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: Russian Move Clears Way to Bring Kyoto Into Force (Reuters) Reuters - The Russian government approved the\Kyoto Protocol on Thursday, giving decisive support to the\long-delayed climate change treaty that should allow it to come\into force worldwide.

Sci/Tech