Columbia College Student Council, Student Government Association at Barnard College, General Studies Student Council and Engineering Student Council present the annual Tree Lighting! Celebrate Columbia's cherished winter tradition with friends! We will serve hot beverages and have amazing giveaways starting at 5:30 p.m. At 6 p.m., there will be performances from a cappella groups, special words from your student councils and of course, the count down for the tree lighting itself!