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: Seas Seen as Viable Power Source Escalating oil prices and global warming concerns have shifted the quest for renewable energy sources into high gear. While wind and solar claim most of the attention, the dark horse in this race may be the restless energy of the sea. By Stephen Leahy.

Sci/Tech