THIS FRIDAY, JANUARY 29. I'M TALKING TO YOU.greenHAUS is a formal dance party created by the Green Builders at Columbia and GSAPP. Haven't you been waiting for the right time to break out your green tuxedo?green, because that's our thing.HAUS, because, you know, bauhaus balls.We are featuring architectural installations made from scrap materials by Columbia students, "eco-friendly" food and drinks and entertainment by celebrated DJs. We will be transforming Bernard Tschumi's Roone Arledge Auditorium with our design prowess, with no carbon impact! Proceeds from the event go to benefit GB@C's "Sustainable Summer" fellowship, a new grant for summer work or learning related to sustainable building and design, open to all Columbia students.$15 CUID, $20 others. Beer and wine for guests 21+. ALL TIX MUST BE PURCHASED ONLINE OR IN THE LERNER HALL BOX OFFICE. Buy them ASAP! https://www.ovationtix.com/trs/pe/7900355UPDATE: If you would like to help out or to build or display an installation made from reclaimed material (we have cardboard and Avery is full of scrap paper), email Melissa T as soon as possible (m t g 2 1 2 0 _a%t_ columbia dott edu)!(poster by Ruth Mandl)