The Council on Tall Buildings and Urban Habitat's (CTBUH) 8th World Congress, on the theme of “Tall & Green: Typology for a Sustainable Future” promises to be the most significant international gathering in the organization’s 40-year history. More than 350 delegates from 35 countries already are registered to hear keynote speakers including His Excellency Mohamed Ali Alabbar of Emaar, the Dubai-based development company; Mayor Richard Daley of Chicago; Peter Rees of the City of London, designer of the Burj Dubai, Adrian Smith, FAIA; renowned structural engineers Bill Baker and Les Robertson; and architects Rem Koolhaas and Ken Yeang. Attendees will receive technical papers from the congress’s 92 speakers as an 850-page proceedings capturing the state-of-the-art in developing, designing, building, and operating sustainable skyscrapers. Congress highlights also will include the technical tours of the Burj Dubai, Emirates Tower, Burj Al Arab, Palm Jumeirah, and Index Tower, and social-networking events such as a welcoming reception and a congress dinner. Emaar is the congress’s main sponsor and co-organizer of the invitational golf day on March 2. For more detailed information and registration, visit the CTBUH Web site.